| Patents for B41L 11 - Apparatus for directly duplicating from hectographic masters in mirror image, i.e. "wet duplicators" for producing positive copies (24) |
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| 02/03/2015 | US8943961 Systems and methods for facilitating oil delivery in digital offset lithographic printing techniques |
| 01/16/2014 | US20140013971 Systems and methods for facilitating oil delivery in digital offset lithographic printing techniques |
| 07/23/2013 | US8492458 Solvent borne polyurethane composition |
| 03/28/2013 | US20130078370 Method of making laser-engraveable flexographic printing precursors |
| 06/09/2011 | US20110132214 Printing unit |
| 03/31/2009 | US7510610 Image recording sheet moistening device and image printing apparatus |
| 10/27/1981 | CA1111305A1 Selective duplicating machine |
| 07/15/1980 | US4213041 Master cards for hectographic printing |
| 02/05/1980 | CA1071017A1 Duplicating machine |
| 05/08/1979 | US4152986 Method and apparatus for printing raised ink images |
| 03/06/1979 | CA1049842A1 Rotary duplicator |
| 10/24/1978 | CA1040927A1 Transfer-printing process and apparatus |
| 06/06/1978 | US4092919 Card selecting and address printing apparatus |
| 02/14/1978 | US4073233 Print position adjusting apparatus for address printer |
| 01/24/1978 | US4069754 Transfer-printing apparatus |
| 01/17/1978 | US4068580 Selective duplicating machine |
| 10/04/1977 | US4051778 Roller device for use with pressure sensitive duplicating master and method of operation |
| 09/20/1977 | US4049484 Vacuum transfer head and method of use |
| 06/21/1977 | US4030412 Duplicating machine |
| 04/26/1977 | US4019433 Pattern transfer machine |
| 02/01/1977 | US4005652 Addressing machine and variable drag drive therefore |
| 01/11/1977 | US4002117 Rotary copying machine |
| 12/21/1976 | US3998159 Pattern copying machine |
| 12/14/1976 | US3996854 Duplicating apparatus |