Roy C. Seaman

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic forming of workpieces from sheet metal
- Patent number 5,819,573
- Issue date Oct 13, 1998
- Roy C. Seaman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for hydraulically forming a tubular body
- Patent number 4,788,843
- Issue date Dec 6, 1988
- R. Seaman Company
- Roy C. Seaman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for trimming reeds of musical instruments
- Patent number 4,644,649
- Issue date Feb 24, 1987
- Roy C. Seaman
- B26 - HAND CUTTING TOOLS CUTTING SEVERING