Don Dawson

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Vienna, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple chambered container compaction assembly with diverter
- Patent number 5,921,372
- Issue date Jul 13, 1999
- Environmental Products Corporation
- John D. Millhiser
- G07 - CHECKING-DEVICES
Information Patent Grant
Reverse vending machine
- Patent number 4,784,251
- Issue date Nov 15, 1988
- Environmental Products Corporation
- Bruce H. DeWoolfson
- G07 - CHECKING-DEVICES