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Inventor

Thomas R. Wiatrak

Inventor
Brunswick, OH, US

Overview

7→
Patents
1985–2011
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests40%
B60BVehicle wheels10%
B60TVehicle brake control systems or parts thereof10%
PatentTitleYear
8,047,751'Wheel chock with restraint'20115,103,530'Hub and wheel assembly with shock absorber'1992D0305521'Wheelchair footboard'19904,805,925'Adjustable rear wheel mounting assembly for wheelchairs'19894,721,321'Wheelchair with adjustable rear canes'19884,595,212'Folding sports wheelchair'19864,500,102'Sports wheelchair'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1990Patents assigned to INVACARE CORP (5)· patent assignee history
1985–2011Based in Brunswick, OH, US· patent location history
1992Patents assigned to CENTURY PRODUCTS CO (1)· patent assignee history
2011Patents assigned to MIDWEST PREC PRODUCTS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INVACARE CORP51985–1990
CENTURY PRODUCTS CO11992
MIDWEST PREC PRODUCTS INC12011
Locations
LocationPatentsSpan
Brunswick, OH, US71985–2011