Springs

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Patents Grantslast 30 patents

Information Patent Grant
Encoder employing a shock absorbing tension spring
- Patent number 4,944,617
- Issue date Jul 31, 1990
- NCR Corporation
- John Tribert
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Self restoring pivoting means and print hammer using same
- Patent number 4,557,192
- Issue date Dec 10, 1985
- International Business Machines Corporation
- William L. Dollenmayer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3726213
- Patent number 3,726,213
- Issue date Apr 10, 1973
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3351007
- Patent number 3,351,007
- Issue date Nov 7, 1967
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3292531
- Patent number 3,292,531
- Issue date Dec 20, 1966
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2619900
- Patent number 2,619,900
- Issue date Dec 2, 1952
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS