Inventor · disambiguated record
Donald Null
Also filed as: NULL DONALD · NULL DONALD C
2 granted patents·82 citations·filing 1980–2011
66Inventor score
Top patents by PatentIndex Score
2 records- 0188US5225838AAll weather tactical strike system (AWTSS) and method of operationRAYTHEON CO·Filed 1980·Granted Jul 6, 1993·58 cites·1 claims
- 0282US9254368B2Oxygen regulation with at least two SPO2 monitors and automatic recognition of a signal having a higher ratingVON BLUMENTHAL TILMAN·Filed 2011·Granted Feb 9, 2016·24 cites·20 claims
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