Inventor

David E. Coleman

Inventor

Murrysville, PA, US

Overview

2→

Patents

1985–2016

Patent span

Performing operations

Primary field (CPC B)

Patents· 2 as inventor

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

B21Bprimary

B21BRolling of metal13%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%

B24CAbrasive or related blasting with particulate material13%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%

B67CCleaning, filling with liquids or semiliquids, or emptying, of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for13%

E04BGeneral building constructions13%

F16LPipes13%

G09BEducational or demonstration appliances13%

PatentTitleYear

9,457,392'Apparatus and method for imparting selected topographies to aluminum sheet metal and application there for'2016 4,493,651'Statistical teaching apparatus'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to RCA CORP (1)· patent assignee history

1985Based in Kendall Park, NJ, US· patent location history

2016Patents assigned to ALCOA INC (1)· patent assignee history

2016Based in Murrysville, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALCOA INC	1	2016
RCA CORP	1	1985

Locations

Location	Patents	Span
Murrysville, Pennsylvania, US	1	2016
Kendall Park, New Jersey, US	1	1985