Individual holder
SHAFFER MICHAEL J
US·3 granted patents·106 citations·filing 2010–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0198US8191541B2Narrow crossbow with large power strokeSHAFFER MICHAEL J·Filed 2010·Granted Jun 5, 2012·63 cites·10 claims
- 0297US8439025B2Narrow crossbow with large power strokeSHAFFER MICHAEL J·Filed 2011·Granted May 14, 2013·41 cites·44 claims
- 0328USD655775SCrank handle with clutchSHAFFER MICHAEL J·Filed 2010·Granted Mar 13, 2012·2 cites·1 claims
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