Clarence Edward Carwheel

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Philadelphia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Concentrates for imparting temporary soil release resins in fabrics...
- Patent number 4,057,503
- Issue date Nov 8, 1977
- Pennwalt Corporation
- Clair Warren Graver
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...