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ROSS ROBERT A
3 patents
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US4600387A
Jul 15, 1986
Rubber dam frame for dental work
ROSS ROBERT A
56 citations
94
US7787948B2
Aug 31, 2010
Energy efficient therapeutic pulse generator system
ROSS ROBERT A
12 citations
80
USD312473S
Nov 27, 1990
Electric violin body
ROSS ROBERT A
8 citations
72