Inventor
Clifford D. Read
Inventor
Almonte, CA
Overview
Patents· 70 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1423%
LOCD119%
H04MTelephonic communication15%
H05KPrinted circuits9%
B25HWorkshop equipment, e.g. for marking-out work6%
G06FElectric digital data processing4%
H01HElectric switches4%
LOC064%
LOC134%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
8,870,579'Thermally and electrically enhanced elastomeric conductive materials'20147,021,637'Work box'20066,883,793'Portable workbench having collapsible support structure'20056,848,684'Workbench having plastic clamping work surface'2005D0482553'Work surface for workbenches and the like'2003D0482208'Portable workbench'2003D0465215'Indoor communications cabinet'2002D0464956'Outdoor communications panel'2002D0464643'Outdoor communications cabinet'2002D0464043'Indoor communications panel'2002D0460753'Integrated communication access device'2002D0456241'Cable guide'2002D0431236'Telephone'20006,064,732'Screen-based telephone set for interactive enhanced telephony service'2000D0415109'Buried fiber terminal'1999D0407686'Power supply and battery housing'19995,890,052'Foldable wireless telephone wallet'1999D0398927'Telephone base station'1998D0398611'Combined wireless antenna and stand'1998D0398610'Wireless antenna'1998D0396041'Wireless antenna stand'1998D0395653'Telephone neck set'19985,761,612'Wireless receiver'1998D0390570'Wireless receiver'19985,615,257'Screen-based telephone set for interactive enhanced telephony service'1997D0349900'Telephone base'19945,276,584'Electronic unit'19945,218,516'Electronic module'1993D0330028'Base for a telephone set'1992D0328295'Base for a telephone set'19925,131,034'Telephone set for use as a desk unit or a wall unit'1992D0305890'Housing for an upright telephone base'1990D0301033'Housing for a telephone handset'1989D0294352'Telephone set base'1988D0294253'Base for a telephone set'1988D0294254'Base for a telephone set'1988D0294252'Vertical position telephone base'1988D0294256'Base for a telephone set'1988D0294255'Base for a telephone set'1988D0294024'Base for a telephone set'1988D0291692'Stand for a telephone handset'1987D0291567'Stand for a telephone handset'1987D0290954'Housing for credit card payment telephone'19874,598,175'Telephone set with two position mounting with alternate seating of handset'1986D0284373'Telephone set base'1986D0283616'Telephone set base'1986D0283422'Housing for a telephone handset'1986D0282362'Housing for a telephone handset'1986D0282361'Telephone set base'1986D0280619'Housing for a telephone handset'1985D0280618'Housing for a wall-mount telephone set base'19854,533,791'Input/output device arrangements for terminals'1985D0278236'Telephone set base'1985D0277957'Telephone display set base'19854,490,604'Input/output device arrangements for terminals'1984D0276339'Housing for a telecommunication instrument base'1984D0275101'Telephone bell chime enclosure'1984D0265311'Telephone display set base'1982D0263589'Telephone base set'19824,320,262'Telephone handset with integral shoulder rest'1982D0263208'Electrical test set housing member'19824,314,309'Electric test equipment mounting'19824,295,179'Electric test equipment housing'1981D0259786'Conferencing telephone unit'1981D0259042'Telephone set'1981D0255681'Telephone handset'1980D0255680'Telephone base'1980D0253345'Base for telephone set'1979D0252876'Base for telephone set'1979D0248158'Headset-hardhat adapter'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2000Patents assigned to NORTHERN TELECOM LTD (55)· patent assignee history
1979–1989Based in Almonte, CA· patent location history
1990–2000Based in Stittsville, CA· patent location history
1998Patents assigned to CHU PAK JONG (1)· patent assignee history
1999–2000Patents assigned to NORTEL NETWORKS CORP (2)· patent assignee history
2002Patents assigned to NORTEL NETWORKS LTD (6)· patent assignee history
2002–2006Based in Carp, CA· patent location history
2002Based in Ontario, CA· patent location history
2003–2006Patents assigned to BLACK & DECKER INC (5)· patent assignee history
2014Based in Wrentham, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORTHERN TELECOM LTD | 55 | 1978–2000 |
| NORTEL NETWORKS LTD | 6 | 2002 |
| BLACK & DECKER INC | 5 | 2003–2006 |
| NORTEL NETWORKS CORP | 2 | 1999–2000 |
| CHU PAK JONG | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Almonte, CA | 37 | 1979–1989 |
| Stittsville, CA | 20 | 1990–2000 |
| Carp, CA | 10 | 2002–2006 |
| Wrentham, Massachusetts, US | 1 | 2014 |
| Ontario, CA | 1 | 2002 |