Inventor · disambiguated record
Douglas John Francis, Sr.
Also filed as: FRANCIS DOUGLAS · FRANCIS SR DOUGLAS JOHN
2 granted patents·1 pending application·9 citations·filing 2003–2014
54Inventor score
Top patents by PatentIndex Score
3 records- 0166US9884413B2Socket retaining tool using a spring-loaded keeper sleevePATTERSON LAURA·Filed 2014·Granted Feb 6, 2018·5 cites·18 claims
- 0260US8020472B2Nut capturing socket assemblyKELLY MICHAEL W·Filed 2009·Granted Sep 20, 2011·4 cites·18 claims
- 0329US2004093960A1Device for measuring universal joint operating angles in a drive train systemFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →