Inventor · disambiguated record
Donald Richard Callentine
Also filed as: CALLENTINE DONALD R · CALLENTINE DONALD RICHARD
3 granted patents·1 pending application·0 citations·filing 2005–2008
39Inventor score
Top patents by PatentIndex Score
4 records- 0140US2008224819A1Multiple barrier operator systemCHAMBERLAIN GROUP INC·Filed 2007·Application pending·0 cites
- 0236US8618907B2Method and apparatus for coding identification information into a security transmission and method and apparatus for automatic learning of replacement security codesCALLENTINE DONALD RICHARD·Filed 2007·Granted Dec 31, 2013·0 cites·46 claims
- 0332US8413297B2Apparatus and method pertaining to a pivoting barrierCALLENTINE DONALD RICHARD·Filed 2008·Granted Apr 9, 2013·0 cites·18 claims
- 0431US7525265B2Drive motor reversal for a barrier operator or the likeCHAMBERLAIN GROUP INC·Filed 2005·Granted Apr 28, 2009·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →