Donald E. Shaffer

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Light weight tear resistant fabric
- Patent number 5,482,763
- Issue date Jan 9, 1996
- E. I. Du Pont de Nemours and Company
- Donald E. Shaffer
- D03 - WEAVING
Information Patent Grant
Protective garments comprising an outer shell fabric of woven arami...
- Patent number 5,468,537
- Issue date Nov 21, 1995
- E. I. Du Pont de Nemours and Company
- Gary G. Brown
- A41 - WEARING APPAREL
Information Patent Grant
Reinforced fabric
- Patent number 5,447,787
- Issue date Sep 5, 1995
- E. I. Du Pont de Nemours and Company
- Donald E. Shaffer
- D03 - WEAVING
Information Patent Grant
Method for forming a slub yarn
- Patent number 4,736,578
- Issue date Apr 12, 1988
- E. I. Du Pont de Nemours and Company
- Donald E. Shaffer
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING

Patents Applicationslast 30 patents

Information Patent Application
Flame resistant fabrics
- Publication number 20010009832
- Publication date Jul 26, 2001
- Donald E. Shaffer
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...