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Inventor:
Greene; Herbert R.
Address:
Providence, RI
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
3959611 Pushbutton keyboard system having plural level wire-like contact May 25, 1976
A keyboard system has a plurality of spaced sets of conductive members, each set including two outer U-shaped support members and a central U-shaped contact member disposed between the support members. The central member is coined to reduce the thickness of its outer portions and to










 
 
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