Assignee
SUROFF HYMAN
US·4 granted patents·117 citations·filing 1982–1988
Top patents by PatentIndex Score
4 records- 0192US4417737ASelf-propelled roller skateSUROFF HYMAN·Filed 1982·Granted Nov 29, 1983·83 cites·11 claims
- 0260US4407522AEnergy saving ice skate attachment deviceSUROFF HYMAN·Filed 1983·Granted Oct 4, 1983·14 cites·9 claims
- 0352US4888969AWheel locking apparatusSUROFF HYMAN·Filed 1988·Granted Dec 26, 1989·15 cites·9 claims
- 0431US4609826AEnergy efficient apparatusSUROFF HYMAN·Filed 1985·Granted Sep 2, 1986·5 cites·8 claims
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