Sharpening, honing devices

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Patents Grantslast 30 patents

Information Patent Grant
Gravure printer with doctor blade grinding abrasive edged sheet
- Patent number 5,381,733
- Issue date Jan 17, 1995
- Sony Corporation
- Shigeyoshi Hirashima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3099111
- Patent number 3,099,111
- Issue date Jul 30, 1963
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2990729
- Patent number 2,990,729
- Issue date Jul 4, 1961
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2148455
- Patent number 2,148,455
- Issue date Feb 28, 1939
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2148456
- Patent number 2,148,456
- Issue date Feb 28, 1939
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2060600
- Patent number 2,060,600
- Issue date Nov 10, 1936
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS