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Inventor

Robert E. Jeffers

Inventor
Ada, MI, US

Overview

18→
Patents
1989–2015
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 18 as inventor

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

E04Bprimary
E04BGeneral building constructions59%
A47BTables14%
E04CStructural elements10%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines10%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
9,169,640'Frameless glass mounting system'20158,104,850'Furniture storage unit'20127,461,484'Customizable partition system'20087,051,482'Panel system'20066,684,929'Panel system'20046,250,029'Panel wall construction'20016,230,459'Wall start for panel systems'20016,209,273'Panel wall construction'20016,189,270'Panel wall construction'20016,158,178'Panel wall construction'20006,158,179'Overhead structures for wall system'20006,094,872'Partition and floor channel construction'20006,003,273'Utilities infeed panel'19996,000,179'Stacking panel and off-module panel connections'19995,943,834'Partition construction'19995,802,789'Partition construction including removable cover panels'19984,949,519'Fastener arrangement for securing an edge cap to an upstanding wall panel'19904,870,908'Office space dividing system'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to WESTINGHOUSE ELECTRIC CORP (2)· patent assignee history
1989–2015Based in Ada, MI, US· patent location history
1998–2015Patents assigned to STEELCASE INC (7)· patent assignee history
1999–2001Patents assigned to STEELCASE DEV INC (7)· patent assignee history
2001Based in Grand Rapids, MI, US· patent location history
2004–2006Patents assigned to STEELCASE DEV CORP (2)· patent assignee history
2012Patents assigned to BULTSMA BRIAN L (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STEELCASE DEV INC71999–2001
STEELCASE INC71998–2015
STEELCASE DEV CORP22004–2006
WESTINGHOUSE ELECTRIC CORP21989–1990
BULTSMA BRIAN L12012
Locations
LocationPatentsSpan
Ada, MI, US171989–2015
Grand Rapids, MI, US12001