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Inventor

Douglas T. Wohlenhaus

Inventor
Flushing, MI, US

Overview

3→
Patents
2008–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material100%
PatentTitleYear
8,534,110'Method and apparatus for tube bender set-up'20137,594,417'Apparatus for wiper die monitoring'20097,360,385'Quick change bend tooling bolster'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2013Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history
2008–2009Based in Flushing, MI, US· patent location history
2013Patents assigned to CRANTAS WILLIAM M (1)· patent assignee history
2013Patents assigned to GHIRAN MIKE M (1)· patent assignee history
2013Patents assigned to MARKS KEVIN R (1)· patent assignee history
2013Patents assigned to MELLAS SPYROS P (1)· patent assignee history
2013Based in Hughesville, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GM GLOBAL TECH OPERATIONS INC32008–2013
CRANTAS WILLIAM M12013
GHIRAN MIKE M12013
MARKS KEVIN R12013
MELLAS SPYROS P12013
Locations
LocationPatentsSpan
Flushing, MI, US22008–2009
Hughesville, Maryland, US12013