John D. Winkel

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making plastic rods
- Patent number 5,326,524
- Issue date Jul 5, 1994
- Phillips Petroleum Company
- Vergil H. Rhodes
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Winding of resin impregnated fibers using a heated guide
- Patent number 5,256,230
- Issue date Oct 26, 1993
- Phillips Petroleum Company
- John D. Winkel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for making and postforming reinforced plastic rods
- Patent number 5,234,333
- Issue date Aug 10, 1993
- Phillips Petroleum Company
- Vergil H. Rhodes
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL