Karl-Heinz Dreinhoff

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Image printing device
- Patent number 5,268,705
- Issue date Dec 7, 1993
- Mannesmann Aktiengesellschaft
- Karl-Heinz Dreinhoff
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for fashioning ink channels in a write head for a dot-matrix...
- Patent number 4,868,582
- Issue date Sep 19, 1989
- Siemens Aktiengesellschaft
- Karl H. Dreinhoff
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for fashioning ink channels in a write head for a dot-matrix...
- Patent number 4,868,583
- Issue date Sep 19, 1989
- Siemens Aktiengesellschaft
- Karl H. Dreinhoff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mount for guide roller at a carrier part
- Patent number 4,834,557
- Issue date May 30, 1989
- Siemens Aktiengesellschaft
- Karl-Heinz Dreinhoff
- B60 - VEHICLES IN GENERAL
Information Patent Grant
End of ribbon indicator for a typewriter ribbon cassette
- Patent number 4,406,554
- Issue date Sep 27, 1983
- Siemens Aktiengesellschaft
- Karl-Heinz Dreinhoff
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS