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Inventor

David C. Jenkins

Inventor
Grand Rapids, MI, US

Overview

29→
Patents
1980–2003
Patent span
LOC
Primary field

Patents· 29 as inventor

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

LOC06primary
LOC0650%
D05BSewing11%
LOCD011%
A47CChairs6%
H01GCapacitors6%
H01RElectrically-conductive connections6%
H02KDynamo-electric machines6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
6,556,425'Capacitor mounting'2003D0442791'Chair'2001D0442400'Seating unit'2001D0439451'Back for a seating unit'2001D0438733'Lumbar region of a chair back'2001D0436768'Seating product'2001D0421540'Chair back'2000D0414349'Chair'1999D0412417'Chair'1999D0383019'Chair actuator'19975,590,463'Circuit board connectors'19975,577,807'Adjustable chair actuator'1996D0372611'Chair seat'1996D0367980'Chair seat'1996D0360316'Chair'1995D0318184'Chair'1991D0312536'Chair'1990D0312003'Chair seat'1990D0311286'Chair'1990D0309383'Chair seat'1990D0302769'Chair'1989D0300483'Chair'1989D0299987'Chair'1989D0299799'Chair arm'1989D0297986'Chair'19884,530,295'Guidance system for a workpiece transfer apparatus'19854,528,922'Guidance system for a workpiece transfer apparatus'1985D0264140'Shin guard'1982D0257073'Sports helmet'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to COOPER CANADA LTD (2)· patent assignee history
1980–1982Based in Toronto, CA· patent location history
1985Patents assigned to UNION SPECIAL CORP (2)· patent assignee history
1985Based in Mount Prospect, IL, US· patent location history
1988–2000Patents assigned to STEELCASE INC (18)· patent assignee history
1988–2001Based in Grand Rapids, MI, US· patent location history
1997Patents assigned to ELCO CORP (1)· patent assignee history
2001Patents assigned to STEELCASE DEV INC (5)· patent assignee history
2001Based in Holland, MI, US· patent location history
2003Based in West Wareham, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STEELCASE INC181988–2000
STEELCASE DEV INC52001
COOPER CANADA LTD21980–1982
UNION SPECIAL CORP21985
ELCO CORP11997
Locations
LocationPatentsSpan
Grand Rapids, MI, US221988–2001
Mount Prospect, Illinois, US21985
Toronto, CA21980–1982
West Wareham, Massachusetts, US12003
Holland, MI, US12001