Inventor · disambiguated record
D. Bruce Johnson
Also filed as: JOHNSON D BRUCE
4 granted patents·361 citations·filing 1983–1987
81Inventor score
Files withQUANTIME INC4
Top patents by PatentIndex Score
4 records- 0195US4753528ALaser archery distance deviceQUANTIME INC·Filed 1985·Granted Jun 28, 1988·272 cites·8 claims
- 0291US4606629ALaser archery distance deviceQUANTIME INC·Filed 1983·Granted Aug 19, 1986·70 cites·9 claims
- 0349US4690025AMusical entertainment board gameQUANTIME INC·Filed 1985·Granted Sep 1, 1987·12 cites·4 claims
- 0440US4813330ACoded card for use in a melody playing apparatusQUANTIME INC·Filed 1987·Granted Mar 21, 1989·7 cites·4 claims
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