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Alfred Dorn
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Rodgau, DE
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last 30 patents
Information
Patent Grant
Densitometric sensing device for use in printing presses
Patent number
4,963,028
Issue date
Oct 16, 1990
M.A.N.-Roland Druckmaschinen
Rolf Braun
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Control device using light-emitting diodes for both manual input an...
Patent number
4,692,739
Issue date
Sep 8, 1987
M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft
Alfred Dorn
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Apparatus for determining and evaluating color measurement strips o...
Patent number
4,648,048
Issue date
Mar 3, 1987
M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft
Alfred Dorn
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
System for detecting the position of a sheet on its support
Patent number
4,518,862
Issue date
May 21, 1985
M.A.N.-Roland Druckmaschinen Aktiengesellschaft
Alfred Dorn
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Means for the control and regulation of the printing process on pri...
Patent number
4,200,932
Issue date
Apr 29, 1980
Roland Offsetmaschinenfabrik Faber & Schleicher AG.
Peter Schramm
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Device for adjustment of the ink flow on printing press inking units
Patent number
4,193,345
Issue date
Mar 18, 1980
Roland Offsetmaschinenfabrik Faber & Schleicher AG.
Edgar F. Schoneberger
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Screwing tool for printing presses
Patent number
4,158,799
Issue date
Jun 19, 1979
Roland Offsetmaschinenfabrik Faber & Schleicher AG.
Bert Cappel
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Device for measuring ink film thickness
Patent number
4,149,802
Issue date
Apr 17, 1979
Roland Offsetmaschinenfabrik Faber & Schleicher AG.
Alfred Dorn
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS