Assignee
HILL RAYMOND R
US·3 granted patents·199 citations·filing 1979–1992
Top patents by PatentIndex Score
3 records- 0170US5244459ASuction irrigator endoscopeHILL RAYMOND R·Filed 1992·Granted Sep 14, 1993·148 cites·11 claims
- 0262US4387784AStethoscope with improved resonant cavity amplificationHILL RAYMOND R·Filed 1981·Granted Jun 14, 1983·19 cites·14 claims
- 0357US4270627AStethoscope with probe sound pick-up and resonant cavity amplificationHILL RAYMOND R·Filed 1979·Granted Jun 2, 1981·32 cites·24 claims
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