Ellsworth A. Hartbauer

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Concord, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sheet material dispensing device
- Patent number 4,189,077
- Issue date Feb 19, 1980
- Crown Zellerbach Corporation
- Ellsworth A. Hartbauer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Sheet material dispensing device
- Patent number 4,106,684
- Issue date Aug 15, 1978
- Crown Zellerbach Corporation
- Ellsworth A. Hartbauer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Tail securing apparatus
- Patent number 4,026,752
- Issue date May 31, 1977
- Crown Zellerbach Corporation
- Ellsworth A. Hartbauer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Web material treating system including an inflatable platen roller
- Patent number 4,000,242
- Issue date Dec 28, 1976
- Crown Zellerbach Corporation
- Ellsworth A. Hartbauer
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Roll product with manually graspable tail end and manufacture thereof
- Patent number 3,960,272
- Issue date Jun 1, 1976
- Crown Zellerbach Corporation
- Ellsworth A. Hartbauer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL