Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1977-03-24
1979-01-02
Garbe, Stephen P.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
174 58, 200159R, H01H 1316
Patent
active
041328779
ABSTRACT:
An improved manually actuatable electric keyboard switch and retainer capable of being easily removed and reoriented or replaced to provide a different function.
REFERENCES:
patent: 224486 (1880-02-01), Spruce
patent: 2214065 (1940-09-01), Pennock et al.
patent: 2254729 (1941-09-01), Bryant et al.
patent: 3425586 (1969-02-01), Petters et al.
patent: 3899648 (1975-08-01), Murata
Friedman Norman
Garbe Stephen P.
Litton Business Systems Inc.
Rotella Robert F.
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