Geometrical instruments
Patent
1980-11-26
1982-12-07
McQuade, John
Geometrical instruments
339147R, 339198R, 361119, 361120, H01R 1366
Patent
active
043623476
ABSTRACT:
Modular wire-connector for connecting telephones to lines from central office permits adding second telephone to each station by using multislotted U-contact elements, and includes protector module for protection against incidental overvoltage. The two modules are positioned in a common bracket, the protector module being easily removed and reinserted.
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Berglund Sidney J.
Matthews Gary B.
Alexander Cruzan
McQuade John
Minnesota Mining and Manufacturing Company
Qualey Terryl K.
Sell Donald M.
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