David Lee Barnett

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Phoenix, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for folding and sealing a floppy disc envelope
- Patent number 4,272,235
- Issue date Jun 9, 1981
- Three Phoenix Company
- David L. Barnett
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for polishing floppy discs
- Patent number 4,179,852
- Issue date Dec 25, 1979
- Three Phoenix Company
- David L. Barnett
- B24 - GRINDING POLISHING
Information Patent Grant
Magnetic tape cartridge transport
- Patent number 4,085,906
- Issue date Apr 25, 1978
- Three Phoenix Company
- John Conlan Dahl
- G11 - INFORMATION STORAGE
Information Patent Grant
Motorcycle trailer
- Patent number 4,057,283
- Issue date Nov 8, 1977
- Howard; Robert L.
- David L. Barnett
- B60 - VEHICLES IN GENERAL