Inventor · disambiguated record
David A. Ray
Also filed as: KELMAN ANSEL · RAY DAVID A
4 granted patents·128 citations·filing 2004–2014
79Inventor score
Top patents by PatentIndex Score
4 records- 0189US7989779B1Universal door handle sanitizer deviceRAY DAVID A·Filed 2009·Granted Aug 2, 2011·92 cites·5 claims
- 0288US8904661B1Transparent measuring device with enhanced viewing windowsRULERSMITH IP INC·Filed 2013·Granted Dec 9, 2014·19 cites·18 claims
- 0371US9032634B1Transparent measuring device with enhanced viewing windowsRULERSMITH IP INC·Filed 2014·Granted May 19, 2015·3 cites·15 claims
- 0456US7509745B2Non-slip measuring tool and method of makingRULERSMITH INC·Filed 2004·Granted Mar 31, 2009·14 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →