LexDanaLexDanabeta
Inventor

David A. Czarn

Inventor
Cumberland, RI, US

Overview

4→
Patents
1991–1996
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Hprimary
H01HElectric switches80%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,508,483'High pressure switch apparatus'19965,101,549'Method for making pressure responsive switch'19925,015,808'Normally open pressure switch'19915,004,876'Pressure responsive switch particularly adaptable for operation as a normally open or a normally closed switch'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1996Patents assigned to TEXAS INSTRUMENTS INC (4)· patent assignee history
1991–1996Based in Cumberland, RI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXAS INSTRUMENTS INC41991–1996
Locations
LocationPatentsSpan
Cumberland, RI, US41991–1996