Calvin P. Sorensen

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Toledo, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for applying tape material in continuously advancing shee...
- Patent number 4,227,960
- Issue date Oct 14, 1980
- Johns-Manville Corporation
- Romain E. Loeffler
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for providing sections of wrapping material having a strip o...
- Patent number 4,189,339
- Issue date Feb 19, 1980
- Johns-Manville Corporation
- Romain E. Loeffler
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL