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Inventor

Ralph L. Powers

Inventor
Cincinnati, OH, US

Overview

2→
Patents
1991–1996
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.

B60Bprimary
B60BVehicle wheels50%
B62BHand-propelled vehicles, e.g. hand carts or perambulators50%
PatentTitleYear
5,566,788'Shopping cart brake assembly'19965,042,622'Shopping cart foot brake assembly'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to POWERS RALPH L (1)· patent assignee history
1991Patents assigned to SMITH LEONARD (1)· patent assignee history
1991–1996Based in Cincinnati, OH, US· patent location history
1996Patents assigned to EPHTEC INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EPHTEC INC11996
POWERS RALPH Lself11991
SMITH LEONARD11991
Locations
LocationPatentsSpan
Cincinnati, OH, US21991–1996