David H. Weitzman

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Waterville, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of recycling used beverage containers
- Patent number 5,566,066
- Issue date Oct 15, 1996
- Resource Recycling Technologies, Inc.
- David H. Weitzman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Steel can shredding/delabeling system and method
- Patent number 4,988,044
- Issue date Jan 29, 1991
- Resource Recycling Technologies, Inc.
- David H. Weitzman
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Beverage container sorting, accounting, and disposal method with co...
- Patent number 4,829,428
- Issue date May 9, 1989
- Empire Returns Corporation
- David H. Weitzman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Container redemption method
- Patent number 4,667,291
- Issue date May 19, 1987
- Empire Returns Corporation
- David H. Weitzman
- G06 - COMPUTING CALCULATING COUNTING