Bernard Diffin

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Kalamazoo, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for presenting multiple illuminated messages and a method fo...
- Patent number 6,160,495
- Issue date Dec 12, 2000
- deMco Technologies, Inc.
- Lon A. Demink
- G08 - SIGNALLING
Information Patent Grant
Light device with holographic optics
- Patent number 5,917,622
- Issue date Jun 29, 1999
- deMco Technologies, Inc.
- Bernard Diffin
- B60 - VEHICLES IN GENERAL