Inventor · disambiguated record
Karl Richard Shaffer
Also filed as: SHAFFER KARL · SHAFFER KARL RICHARD
2 granted patents·115 citations·filing 1985–1999
69Inventor score
Top patents by PatentIndex Score
2 records- 0181US4649711AApparatus and method for infrared optical electronic qualitative analysis of a fluid independent of the temperature thereofCARRIER CORP·Filed 1985·Granted Mar 17, 1987·55 cites·22 claims
- 0271US6411207B2Personal alert deviceAVAYA TECHNOLOGY CORP·Filed 1999·Granted Jun 25, 2002·60 cites·38 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →