W. Calvin Roberts

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Holladay, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a decorated, substantially planar sheet of glass o...
- Patent number 5,231,925
- Issue date Aug 3, 1993
- Frank W. Roberts
- B44 - DECORATIVE ARTS
Information Patent Grant
Interior wall system
- Patent number 4,479,335
- Issue date Oct 30, 1984
- Western Sun, Inc.
- Frank W. Roberts
- E04 - BUILDING
Information Patent Grant
Interior wall system
- Patent number 4,471,590
- Issue date Sep 18, 1984
- Western Sun, Inc.
- Frank W. Roberts
- E04 - BUILDING
Information Patent Grant
Interior wall system
- Patent number 4,418,507
- Issue date Dec 6, 1983
- Frank W. Roberts
- E04 - BUILDING