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| Number | Title | Issue Date |
| 5199804 | Quiet impact printer mechanism An improved quiet impact printer mechanism for use with a typewriter or printer which includes a print hammer having a significant mass for impacting a character pad against an ink ribbon, paper and a platen. A first embodiment has a drive means providing... | 04/06/1993 |
| 5183344 | Quiet impact printer mechanism An improved quiet impact printer mechanism for use with a typewriter or printer which includes a print hammer having a high effective mass at the print point for impacting a character pad against an ink ribbon, paper and a platen at a relatively low veloc... | 02/02/1993 |
| 5176459 | Apparatus for pressing a print head in a printer An apparatus for pressing a print head against a platen roll in a printer, which comprises a rotating profiled cam supporting the print head for moving the print head toward and away from the platen roll, a shaft in the center of and integral with the cam... | 01/05/1993 |
| 4648184 | Keyboard controlled apparatus for the identification of small parts Apparatus for placing identification or indicia on parts of small surfaces, especially on identification labels of terminals for the identification of electrical components and circuits, whereby a printing or writing device is provided with a keyboard for... | 03/10/1987 |
| 4199765 | Printing device for multiple recorders A multiple recorder printing device for recording values of variable amounts on a moving recording tape in the form of consecutive symbols of the same or different colors includes a driven common drive means to both rotate the rotary printing head and mov... | 04/22/1980 |
