Inventor
William I. Stephens
Inventor
Emmaus, PA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOCD0primary
LOCD033%
A47BTables25%
A47CChairs17%
B01LChemical or physical laboratory apparatus for general use17%
E04FFinishing work on buildings, e.g. stairs, floors8%
PatentTitleYear
5,536,068'Chair with adjustable legs'1996D0344199'Credenza'1994D0343308'Desk'1994D0341042'Combined credenza and hutch'1993D0339481'Desk'19935,226,705'Furniture stanchions with unitary power routing system'19935,160,188'Furniture stanchions with unitary power routing system'1992D0314090'Combined storage shelf and plural drawer unit'1991D0285270'Universal keyboard mount'1986D0282595'Cart for a printer'1986D0280478'Dual surface support stand for an office terminal and keyboard'1985D0276385'Chair'1984D0275242'Stool'1984D0275051'Chair'1984D0275052'Chair'1984D0275053'Chair'1984D0273641'Seating unit'1984D0270414'Combined seat and backrest for a chair'19834,385,783'Upholstered furniture element'1983D0268233'Chairs'1983D0266722'Chair base or similar article'1982D0264910'Combined seat and backrest for a chair'19824,296,574'Floor panel-furniture support system'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to KNOLL INTERNATIONAL (15)· patent assignee history
1982–1984Based in Emmaus, PA, US· patent location history
1984–1986Based in East Greenville, PA, US· patent location history
1991Patents assigned to FAILE THOMPSON CLOSETS INC (1)· patent assignee history
1991–1993Based in Barto, PA, US· patent location history
1992–1994Patents assigned to WESTINGHOUSE ELECTRIC CORP (6)· patent assignee history
1993–1994Based in Hereford Township, Berks County, PA, US· patent location history
1996Patents assigned to CAREX INC (1)· patent assignee history
1996Based in Norton, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KNOLL INTERNATIONAL | 15 | 1981–1986 |
| WESTINGHOUSE ELECTRIC CORP | 6 | 1992–1994 |
| CAREX INC | 1 | 1996 |
| FAILE THOMPSON CLOSETS INC | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Emmaus, Pennsylvania, US | 10 | 1982–1984 |
| Hereford Township, Berks County, Pennsylvania, US | 4 | 1993–1994 |
| East Greenville, Pennsylvania, US | 4 | 1984–1986 |
| Barto, Pennsylvania, US | 3 | 1991–1993 |
| Norton, OH, US | 1 | 1996 |