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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Duffy; Patrick
Address:
Stirling, GB
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
5909021 Keypads: Apparatus and methods of making June 1, 1999
The keypad is made of a) a formed plastic shell; b) graphics and background printed on the interior surface of the formed plastic shell; and c) a plastic filling the hollow cavity or cavities of the formed plastic shell. The formed plastic shell of the keypad is a polycarbonate and the p










 
 
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