Assignee
HAY CARL M
US·3 granted patents·55 citations·filing 1986–2013
Top patents by PatentIndex Score
3 records- 0184US8414008B2Wheelchair systemHAY CARL M·Filed 2011·Granted Apr 9, 2013·15 cites·20 claims
- 0281US4720117AHand-pedalling attachment for wheel-chairsHAY CARL M·Filed 1986·Granted Jan 19, 1988·40 cites·8 claims
- 0347US8668220B2Wheelchair systemHAY CARL M·Filed 2013·Granted Mar 11, 2014·0 cites·19 claims
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