Patent US 3187118A

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Patent number US 3187118A
Title Electrical switch having means for interconnecting concentric switch shafts
Inventors Marlow Butler, Oz Svehaug
Company Tektronix Inc
Filing date 1962-01-18
Grant date 1965-06-01
Cites


See e.g. 11B2, 1A5 and many others.

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