Assignee
PETROFSKY RESEARCH INC
US·3 granted patents·142 citations·filing 1989–1991
Technology mixA61F3
Top patents by PatentIndex Score
3 records- 0159US4969452AOrthosis for assistance in walkingPETROFSKY RESEARCH INC·Filed 1989·Granted Nov 13, 1990·61 cites·4 claims
- 0245US5054476AOrthosis for assistance in walkingPETROFSKY RESEARCH INC·Filed 1990·Granted Oct 8, 1991·45 cites·4 claims
- 0341US5188584AOrthosis for assistance in walkingPETROFSKY RESEARCH INC·Filed 1991·Granted Feb 23, 1993·36 cites·3 claims
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