Richard L. Dreibelbis

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Waynesboro, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for polyesterurethaneurea thin-walled articles
- Patent number 5,728,340
- Issue date Mar 17, 1998
- E. I. Du Pont de Nemours and Company
- Richard Lewis Dreibelbis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thin-walled articles of polyurethaneurea
- Patent number 5,391,343
- Issue date Feb 21, 1995
- E. I. Du Pont de Nemours and Company
- Richard L. Dreibelbis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for dry spinning spandex
- Patent number 5,362,432
- Issue date Nov 8, 1994
- E. I. Du Pont de Nemours and Company
- Nathan E. Houser
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Spandex fiber with copolymer soft segment
- Patent number 5,000,899
- Issue date Mar 19, 1991
- E. I. Du Pont de Nemours and Company
- Richard L. Dreibelbis
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Spinneret having groups of orifices with various interorifice spacing
- Patent number 4,679,998
- Issue date Jul 14, 1987
- E. I. Du Pont de Nemours and Company
- Richard L. Dreibelbis
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING