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H01H2233/096
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H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2233/00
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H01H2233/096
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Patents Grants
last 30 patents
Information
Patent Grant
Keyswitch with telescoping plunger
Patent number
4,454,562
Issue date
Jun 12, 1984
General Instrument Corporation
Robert D. Bush
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Keyboard switch assembly
Patent number
4,439,646
Issue date
Mar 27, 1984
Societe de Telecommunications Electronique Aeronautique et Maritime T.E.A.M.
Andre M. Bouvrande
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Detachably mounted keyboard pushbutton actuators and housing assembly
Patent number
3,993,884
Issue date
Nov 23, 1976
Victor Comptometer Corporation
Nicholas Kondur
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3773997
Patent number
3,773,997
Issue date
Nov 20, 1973
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents