Inventor · disambiguated record
Ellsworth A. Hartbauer
Also filed as: HARTBAUER ELLSWORTH A
5 granted patents·302 citations·filing 1971–1978
85Inventor score
Files withCROWN ZELLERBACH CORP5
Top patents by PatentIndex Score
5 records- 0195US4026752ATail securing apparatusCROWN ZELLERBACH CORP·Filed 1971·Granted May 31, 1977·65 cites·7 claims
- 0294US3960272ARoll product with manually graspable tail end and manufacture thereofCROWN ZELLERBACH CORP·Filed 1975·Granted Jun 1, 1976·81 cites·21 claims
- 0393US4106684ASheet material dispensing deviceCROWN ZELLERBACH CORP·Filed 1977·Granted Aug 15, 1978·94 cites·3 claims
- 0486US4000242AWeb material treating system including an inflatable platen rollerCROWN ZELLERBACH CORP·Filed 1975·Granted Dec 28, 1976·45 cites·21 claims
- 0565US4189077ASheet material dispensing deviceCROWN ZELLERBACH CORP·Filed 1978·Granted Feb 19, 1980·17 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →