David R. Frye

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Longview, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Protective enclosure for hazardous material primary containers
- Patent number 4,872,563
- Issue date Oct 10, 1989
- Pro-Tech-Tube, Inc.
- William G. Warder
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tray for packaging food products
- Patent number 4,467,052
- Issue date Aug 21, 1984
- Plasti-Pak
- Robert Barnwell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...