Inventor · disambiguated record
Charles E. Swingle
Also filed as: SWINGLE CHARLES E
2 granted patents·1 pending application·74 citations·filing 1998–2012
63Inventor score
Top patents by PatentIndex Score
3 records- 0169US5894275AVoice recorder/playback moduleHEADWAY INC·Filed 1998·Granted Apr 13, 1999·70 cites·7 claims
- 0250US8801548B2Tennis and golf training device having an adjustable hoopSWINGLE CHARLES E·Filed 2011·Granted Aug 12, 2014·4 cites·20 claims
- 0330US2013040762A1Tennis, golf and basketball training device having an adjustable hoopSWINGLE CHARLES E·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →