Donald F. Wiley

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Big Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Co-extrusion of polyvinylidene fluoride/polystyrene multiple-layere...
- Patent number 4,051,293
- Issue date Sep 27, 1977
- Cosden Oil & Chemical Company
- Donald F. Wiley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of co-extrusion of polyvinylidene fluoride/polystyrene multi...
- Patent number 3,968,196
- Issue date Jul 6, 1976
- Cosden Oil & Chemical Company
- Donald F. Wiley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Coextrusion process
- Patent number 3,959,432
- Issue date May 25, 1976
- Cosden Oil & Chemical Company
- Donald F. Wiley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL