William V. Crawford

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Williamstown, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Adapter for connecting plastic pipe system to cast iron pipe system
- Patent number 4,295,668
- Issue date Oct 20, 1981
- Phillips Petroleum Company
- Jean H. Louthan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe end reforming apparatus
- Patent number 4,005,968
- Issue date Feb 1, 1977
- Phillips Petroleum Company
- William V. Crawford
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL