Robert J. Welch

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West Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Panel system edge sealing means
- Patent number 4,448,231
- Issue date May 15, 1984
- Litton Business Systems, Inc.
- Stephen A. Salkeld
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Portable wall assembly
- Patent number 4,104,838
- Issue date Aug 8, 1978
- GF Business Equipment, Inc.
- C. Herbert Hage
- E04 - BUILDING