Hyman L. Zelkowitz

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West Norriton, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Table top assembly
- Patent number 4,482,119
- Issue date Nov 13, 1984
- Knoll International, Inc.
- Hyman L. Zelkowitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Apparatus and method for upholstering a rigid chair shell
- Patent number 4,465,534
- Issue date Aug 14, 1984
- Knoll International, Inc.
- Hyman L. Zelkowitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus and method for upholstering a rigid chair shell
- Patent number 4,357,723
- Issue date Nov 9, 1982
- Knoll International, Inc.
- Hyman L. Zelkowitz
- B60 - VEHICLES IN GENERAL