David L. Volk

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Clairton, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote control finder
- Patent number 5,790,021
- Issue date Aug 4, 1998
- Ivor Mickel
- G08 - SIGNALLING
Information Patent Grant
Food spoilage detector
- Patent number 5,653,941
- Issue date Aug 5, 1997
- Bobby Veretto
- G01 - MEASURING TESTING
Information Patent Grant
Dispenser for chewing gum or bubble gum
- Patent number 5,649,642
- Issue date Jul 22, 1997
- Hellen Mabry
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Music vending machine capable of recording a customer's music selec...
- Patent number 5,633,839
- Issue date May 27, 1997
- Gregory Alexander
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Clip-on sunglasses
- Patent number D375971
- Issue date Nov 26, 1996
- Philippe Peluso
- D16 - Photography and optical equipment