Friedrich Teichmann

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Patents Grantslast 30 patents

Information Patent Grant
Ribbon feed increment change mechanism and coded ribbon cassette to...
- Patent number 4,662,766
- Issue date May 5, 1987
- Triumph-Adler A.G.
- Friedrich Teichmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drive coupling for ribbon mechanism in typewriters and similar mach...
- Patent number 4,423,974
- Issue date Jan 3, 1984
- Triumph-Adler A.G. fur Buro- und Informationstechnik
- Siegfried Mu/ ller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Typewriter ribbon lifting and transporting device
- Patent number 4,398,838
- Issue date Aug 16, 1983
- Triumph-Adler A.G. fur Buro-und Informationstechnik
- Friedrich Teichmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing area cover plate for typewriters or like machines
- Patent number 4,340,315
- Issue date Jul 20, 1982
- Adlerwerke vorm. Heinrich Kleyer A.G.
- Friedrich Teichmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Type disc printer
- Patent number 4,198,169
- Issue date Apr 15, 1980
- Adlerwerke vorm. Heinrich Kleyer A.G.
- Walter Stuiber
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS