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Inventor

Don R. Ray

Inventor
Anaheim, CA, US

Overview

2→
Patents
1978–1991
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.

A44Bprimary
A44BButtons, pins, buckles, slide fasteners, or the like33%
E02BHydraulic engineering33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
5,031,284'Tie retaining device'19914,080,798'Arctic drilling base'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to OFFSHORE CO (1)· patent assignee history
1978Based in Houston, TX, US· patent location history
1991Patents assigned to RAY DON R (1)· patent assignee history
1991Based in Anaheim, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OFFSHORE CO11978
RAY DON Rself11991
Locations
LocationPatentsSpan
Anaheim, California, US11991
Houston, Texas, US11978