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CPC
H01H2209/028
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H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2209/00
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H01H2209/028
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure sensitive switch structure
Patent number
4,296,406
Issue date
Oct 20, 1981
Sperry Corporation
Billy J. Pearson
G01 - MEASURING TESTING
Information
Patent Grant
3617666
Patent number
3,617,666
Issue date
Nov 2, 1971
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Keyboard and Method for Producing a Keyboard
Publication number
20080101839
Publication date
May 1, 2008
Arved Huebler
H01 - BASIC ELECTRIC ELEMENTS