Michael V. Longwell

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San Marcos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sports card slitting device and method
- Patent number 5,596,918
- Issue date Jan 28, 1997
- The Upper Deck Company
- Michael V. Longwell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Notch timing device and method for card slitting machine
- Patent number 5,546,838
- Issue date Aug 20, 1996
- The Upper Deck Company
- Michael V. Longwell
- B26 - HAND CUTTING TOOLS CUTTING SEVERING