Roy A. Schacht

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Marking machine with tag feeder
- Patent number 4,676,682
- Issue date Jun 30, 1987
- Roy A. Schacht
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Marking and engraving machine
- Patent number 4,523,865
- Issue date Jun 18, 1985
- Roy A. Schacht
- B44 - DECORATIVE ARTS
Information Patent Grant
Printing wheel connecting and adjusting means
- Patent number 4,516,867
- Issue date May 14, 1985
- Roy A. Schacht
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Half-spacing feed mechanism for marking machine
- Patent number 4,322,173
- Issue date Mar 30, 1982
- Roy A. Schacht
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Feed mechanism for marking machine
- Patent number 4,229,111
- Issue date Oct 21, 1980
- Roy A. Schacht
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS