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Inventor

S. Douglas Copeland

Inventor
Columbia, SC, US

Overview

4→
Patents
2003–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B29Cprimary
B29CShaping or joining of plastics17%
B29LIndexing scheme associated with subclass b29c, relating to particular articles17%
E04HBuildings or like structures for particular purposes17%
F21VFunctional features or details of lighting devices or systems thereof17%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls8%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels8%
B24DTools for grinding, buffing or sharpening8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
11,130,166Cylindrical tool matching system20217,363,751'Wound-in tenon/wound-in tenon collar for attachment of luminaire'20087,284,356'Wound-in tenon for attachment of luminaire'20076,503,612'Hand-held conformable sanding block'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to TRADE ASSOCIATES INC (1)· patent assignee history
2003Based in Gig Harbor, WA, US· patent location history
2007Patents assigned to GENLYTE THOMAS GROUP LLC (1)· patent assignee history
2007–2008Based in Columbia, SC, US· patent location history
2008Patents assigned to SHAKESPEARE COMPOSITE STRUCTUR (1)· patent assignee history
2021Patents assigned to REED MACHINERY INC (1)· patent assignee history
2021Based in Oakham, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GENLYTE THOMAS GROUP LLC12007
REED MACHINERY INC12021
SHAKESPEARE COMPOSITE STRUCTUR12008
TRADE ASSOCIATES INC12003
Locations
LocationPatentsSpan
Columbia, SC, US22007–2008
Oakham, Massachusetts, US12021
Gig Harbor, Washington, US12003