Inventor · disambiguated record

David Ehrhardt

Also filed as: EHRHARDT DAVID · EHRHARDT DAVID A

2 granted patents·0 citations·filing 2005–2017

22Inventor score

Technology areasB32B F27D

Files withMITSUBISHI POLYESTER FILM GMBH1 SPECIALTY MINERALS MICHIGAN1

Top patents by PatentIndex Score

2 records

0152US11208528B2Biaxially oriented polyester film for metal laminationMITSUBISHI POLYESTER FILM GMBH·Filed 2017·Granted Dec 28, 2021·0 cites·23 claims
0240US8016259B2Refractory furnace covers and methods of constructing sameSPECIALTY MINERALS MICHIGAN·Filed 2005·Granted Sep 13, 2011·0 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →