Waldo Calvin Roberts

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Salt Lake City, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Conditioned-air suit and system
- Patent number 4,146,933
- Issue date Apr 3, 1979
- Jenkins; Barry R.
- Barry R. Jenkins
- A41 - WEARING APPAREL
Information Patent Grant
Panel building construction and method, and clip
- Patent number 4,052,831
- Issue date Oct 11, 1977
- Frank William Roberts
- E04 - BUILDING
Information Patent Grant
Composite panel-board and method of making same
- Patent number 4,037,006
- Issue date Jul 19, 1977
- Frank William Roberts
- B28 - WORKING CEMENT, CLAY, OR STONE