Inventor · disambiguated record
Luther Bradford Barringer
Also filed as: BARRINGER LUTHER BRADFORD
4 granted patents·56 citations·filing 1996–1996
77Inventor score
Files withEFFICIENCY PRODUCTION INC4
Top patents by PatentIndex Score
4 records- 0164US5735642ATrench shield handling assemblyEFFICIENCY PRODUCTION INC·Filed 1996·Granted Apr 7, 1998·23 cites·3 claims
- 0252USD399724STrench shield stacking bracketEFFICIENCY PRODUCTION INC·Filed 1996·Granted Oct 20, 1998·9 cites·1 claims
- 0351US5839707ATrench shield stacking deviceEFFICIENCY PRODUCTION INC·Filed 1996·Granted Nov 24, 1998·20 cites·2 claims
- 0437USD417764STrench shield handling assemblyEFFICIENCY PRODUCTION INC·Filed 1996·Granted Dec 14, 1999·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →