| 5368042 |
Biofeedback device for monitoring muscular movement |
John L. O'Neal |
1994-11-29 |
| 5365333 |
Apparatus for analyzing tracking error in magnetic tapes |
Wayne M. Wirth |
1994-11-15 |
| 5342682 |
Method of molding optical recording drums |
Wayne M. Wirth |
1994-08-30 |
| 5340975 |
Method and apparatus for reducing the effects of laser noise and for improving modulation transfer function in scanning a photoconductive surface |
— |
1994-08-23 |
| 5268950 |
System and method for maintaining uniform spacing of an electrode over the surface of an x-ray plate |
Wayne M. Wirth |
1993-12-07 |
| 5149951 |
Apparatus and method for presenting a data card for data transfer with centrifugal flyweight |
— |
1992-09-22 |
| 5096627 |
Method of molding optical recording drums |
Wayne M. Wirth |
1992-03-17 |
| 5022018 |
System for applying a perpendicular magnetic field to the illuminated side of a magneto-optic medium |
— |
1991-06-04 |
| 4939715 |
Tape scanning apparatus |
Wayne M. Wirth |
1990-07-03 |
| 4812633 |
Optical data card |
John W. Ulseth, Norman L. Giorgini, Jathan D. Edwards |
1989-03-14 |
| 4586101 |
Tape recorder cassette with tamper-proof counter |
— |
1986-04-29 |
| 4575778 |
Tape cassette containing run counter disc |
— |
1986-03-11 |
| 4525696 |
Driver for rotating a magnetic playback head |
— |
1985-06-25 |
| 4433351 |
System for reducing phase error in multitrack magnetic recording |
— |
1984-02-21 |
| 4381491 |
Device to slow solenoid actuation motion |
— |
1983-04-26 |
| 4291956 |
Graphic forming device with preview feature |
— |
1981-09-29 |
| 4257075 |
Tape magazine and recording and/or playback machine with improved magazine locating and loading structure |
Steve Wysocki, Norman E. Nelson |
1981-03-17 |
