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Inventor

Edward L. Richards

Inventor
Cedar Grove, WV, US

Overview

2→
Patents
1978–1998
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 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 persons50%
H01HElectric switches50%
PatentTitleYear
5,819,325'Toilet seat lift'19984,083,027'Pushbutton electric switch'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to WESTINGHOUSE ELECTRIC CORP (1)· patent assignee history
1978Based in Aliquippa, PA, US· patent location history
1998Based in Cedar Grove, WV, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTINGHOUSE ELECTRIC CORP11978
Locations
LocationPatentsSpan
Cedar Grove, WV, US11998
Aliquippa, Pennsylvania, US11978