Joseph Tracy Rivers Jr.

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Protective clothing of fabric containing a layer of highly fluorina...
- Patent number 4,518,650
- Issue date May 21, 1985
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- A41 - WEARING APPAREL
Information Patent Grant
Protective clothing of fabric containing a layer of highly fluorina...
- Patent number 4,469,744
- Issue date Sep 4, 1984
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- A41 - WEARING APPAREL
Information Patent Grant
Integrated string
- Patent number 4,055,941
- Issue date Nov 1, 1977
- E. I. Du Pont de Nemours and Company
- Joseph Tracy Rivers
- A63 - SPORTS GAMES AMUSEMENTS