| 4587727 |
System for generating circuit boards using electroeroded sheet layers |
— |
1986-05-13 |
| 4533921 |
Electroerosion printhead with tungsten electrodes, and a method for making same |
James M. Rakes |
1985-08-06 |
| 4520371 |
Multi-zone thermal print head |
Rowland V. D. Firth, III, Ta C. Ku, James M. Rakes |
1985-05-28 |
| 4475829 |
Capacitive metering means for uniform ribbon feed and take-up mechanism |
Errol R. Williams |
1984-10-09 |
| 4458253 |
Thermal print apparatus using a thermal transfer ribbon such as a multi-colored one, and a printing method |
Ta C. Ku |
1984-07-03 |
| 4450342 |
Thermal print head |
James M. Rakes, Errol R. Williams |
1984-05-22 |
| 4437779 |
Replaceable ribbon cartridge |
William M. Jenkins |
1984-03-20 |
| 4397085 |
Method of manufacture of a multi-wire nonimpact printhead |
William M. Jenkins |
1983-08-09 |
| 4265552 |
Ribbon drive mechanism for high speed printer |
John D. Bemis |
1981-05-05 |
| 4264223 |
Reversible ribbon cartridge for a high speed impact printer |
John D. Bemis, Rowland V. D. Firth, III, Richard T. Stone |
1981-04-28 |
| 4213575 |
Printer ribbon supply mechanism with end of ribbon detect expedient which reduces ribbon drag |
Rowland V. D. Firth, III |
1980-07-22 |
| 4212552 |
Impact printer cardholder with integral ribbon guide and end of ribbon sensor |
John D. Bemis |
1980-07-15 |
