| 6239879 |
Non-contacting communication and power interface between a printing engine and peripheral systems attached to replaceable printer component |
— |
2001-05-29 |
| 5239431 |
Head lift limiter for a disk drive |
Clifford K. Day, Wayne E. Foote, Paul K. Mul |
1993-08-24 |
| 4716423 |
Barrier layer and orifice plate for thermal ink jet print head assembly and method of manufacture |
C. S. Chan |
1987-12-29 |
| 4694308 |
Barrier layer and orifice plate for thermal ink jet printhead assembly |
C. S. Chan |
1987-09-15 |
| 4590482 |
Nozzle test apparatus and method for thermal ink jet systems |
Paul R. Spencer |
1986-05-20 |
| 4535343 |
Thermal ink jet printhead with self-passivating elements |
Conrad L. Wright, James G. Bearrs, C. S. Chan, Frank Ura |
1985-08-13 |
| 4408865 |
Corona discharge device for electrophotographic charging and potential leveling |
Thomas Camis, Paul R. Spencer, Erwin H. Schwiebert |
1983-10-11 |
| 4197493 |
Electrostatic voltmeter |
Ronald A. Juve |
1980-04-08 |