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H01H2209/062
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2209/00
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H01H2209/062
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making a transparent touch screen switch assembly
Patent number
5,062,198
Issue date
Nov 5, 1991
Keytec, Inc.
Brian Y. Sun
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard membrane switch having threshold force structure
Patent number
4,017,697
Issue date
Apr 12, 1977
Globe-Union Inc.
Willis August Larson
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents