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Inventor

Donald F. Pettengill

Inventor
Palo Alto, CA, US

Overview

2→
Patents
1980–1982
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Cprimary
H01CResistors67%
A01KAnimal husbandry33%
PatentTitleYear
4,329,726'Circuit protection devices comprising PTC elements'19824,238,812'Circuit protection devices comprising PTC elements'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to RAYCHEM CORP (2)· patent assignee history
1980–1982Based in Palo Alto, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RAYCHEM CORP21980–1982
Locations
LocationPatentsSpan
Palo Alto, California, US21980–1982