LexDanaLexDanabeta
Inventor

Michael W. Hetherington

Inventor
Mount Albert, CA

Overview

12→
Patents
1980–1998
Patent span
Human necessities
Primary field (CPC A)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A47Lprimary
A47LDomestic washing or cleaning30%
A45DHairdressing or shaving equipment20%
H01RElectrically-conductive connections20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
G08BSignalling systems, e.g. personal calling systems10%
PatentTitleYear
5,820,406'Terminal and door latch for battery operated devices'19985,738,540'Apparatus for coupling a device to an electrical receptacle'1998D0352578'Dishwasher detergent dispenser'19945,176,297'Dishwasher detergent dispenser'1993D0314615'Portable electric heater'19914,798,613'Surface cleaning apparatus'1989D0295566'Combined vacuum cleaner and scrubbing brush'19884,700,428'Hose assembly for fluid flow apparatus'1987D0291376'Portable vacuum cleaner'19874,684,186'Electrical outlet assembly'19874,215,264'Telescoping hair curler'19804,192,328'Clamping arm mechanism for curling iron'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1991Patents assigned to HETHERINGTON MICHAEL W (3)· patent assignee history
1980Patents assigned to APPLIANCE DESIGN PROBE INC (1)· patent assignee history
1980Based in Markham, CA· patent location history
1987–1989Patents assigned to IONA APPLIANCES INC (2)· patent assignee history
1987–1988Patents assigned to IONA APPLIANCES INC /APPAREILS IONA INC (2)· patent assignee history
1987–1989Based in Cedar Springs, CA· patent location history
1987Based in Ontario, CA· patent location history
1991–1998Based in Mount Albert, CA· patent location history
1993–1994Patents assigned to DIVERSEY CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HETHERINGTON MICHAEL Wself31980–1991
DIVERSEY CORP21993–1994
IONA APPLIANCES INC21987–1989
IONA APPLIANCES INC /APPAREILS IONA INC21987–1988
APPLIANCE DESIGN PROBE INC11980
Locations
LocationPatentsSpan
Mount Albert, CA51991–1998
Cedar Springs, CA41987–1989
Markham, CA21980
Ontario, CA11987