AEG Olympia AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5068824 Method of setting the operating parameters in a microprocessor-controlled typewriter or other microprocessor-controlled office machineExpiredSep 01, 88Nov 26, 91[G06F]
5028514 Method of producing an etched base plate for an ink print headExpiredMay 01, 89Jul 02, 91[G03F]
D315728 Portable telephone unitExpiredMar 09, 89Mar 26, 91[]
4990007 Single-run typewriter ribbon cartridge having a reverse winding arrangementExpiredJul 01, 88Feb 05, 91[B41J]
4897903 Method of providing an ink jet printing head with piezo-crystalsExpiredFeb 10, 89Feb 06, 90[B41J, G01D]
4899137 Arrangement for the input and processing of characters and/or graphic patternsExpiredSep 26, 88Feb 06, 90[G06F]
4859918 Method and apparatus for producing a speed control voltage for direct current motors in typewriters or similar office machinesExpiredJul 27, 87Aug 22, 89[H02P]
4854755 Reloadable ribbon cassette systemExpiredFeb 18, 88Aug 08, 89[B41J]
4842429 Type face striking system in an office writing machineExpiredDec 05, 83Jun 27, 89[B41J]
4842427 Plotting mechanism mounted on a ribbon cassette for typewriters or office machinesExpiredOct 22, 87Jun 27, 89[B41J]
4820125 Ribbon device for typewriters or similar office machinesExpiredJan 12, 88Apr 11, 89[B41J]
4813796 Ribbon cassette having line forming means for typewriters or office machines of similar constructionExpiredJun 11, 87Mar 21, 89[B41J]
4782339 Method and apparatus for displaying text on a single-line display of a text stationExpiredFeb 27, 87Nov 01, 88[G09G]
4678352 Receiving arrangement for a multiple type carrier for an impact printerExpiredOct 29, 85Jul 07, 87[B41J]
4668113 Printing disc with damping meansExpiredMay 01, 85May 26, 87[B41J]
4651288 Method and apparatus for filling out a form by a machineExpiredNov 06, 84Mar 17, 87[G06F]
4621340 Method for construction and display of ideographic charactersExpiredAug 27, 82Nov 04, 86[G06F]
4577200 Cassette for the ink jet printer of an office machineExpiredNov 15, 84Mar 18, 86[G01D]
4560980 Method of typing scripts whose characters are arranged next to one another in rows or underneath one another in columnsExpiredNov 02, 82Dec 24, 85[G09G]
4553148 Optical printer for line-by-line image formingExpiredJun 17, 83Nov 12, 85[G01D]

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