Inventor · disambiguated record
Donald Michael Shields
Also filed as: SHIELDS DONALD M · SHIELDS DONALD MICHAEL
3 granted patents·14 citations·filing 1990–2014
59Inventor score
Top patents by PatentIndex Score
3 records- 0142US5103138ASwitching excitation supply for gas discharge tubes having means for eliminating the bubble effectORENSTEIN EDWARD D·Filed 1990·Granted Apr 7, 1992·14 cites·6 claims
- 0240US9304206B2Apparatus, system and method for locating a lost instrument or objectFIELDS WALTER·Filed 2014·Granted Apr 5, 2016·0 cites·28 claims
- 0339US10024971B2Apparatus, system and method for locating a lost instrument or objectFIELDS WALTER·Filed 2013·Granted Jul 17, 2018·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →