Roy T. Williams

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Columbus, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for loading, transporting and unloading modules of seed c...
- Patent number 4,249,850
- Issue date Feb 10, 1981
- Lummus Industries, Inc.
- Donald W. Van Doorn
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling press controls
- Patent number 4,136,609
- Issue date Jan 30, 1979
- Lummus Industries, Inc.
- Donald W. Van Doorn
- B30 - PRESSES
Information Patent Grant
Baling chamber construction
- Patent number 3,985,072
- Issue date Oct 12, 1976
- Lummus Industries, Inc.
- Donald W. Van Doorn
- B30 - PRESSES