Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425718 | Direct multi-tension indicating washer having bumps of a first and second height | Ivan Wayne Wallace | 2002-07-30 |
| 6152665 | Direct tension indicating washers | Ivan Wayne Wallace | 2000-11-28 |
| 5931618 | Direct tension indicating washers | Ivan Wayne Wallace | 1999-08-03 |
| 5769581 | Direct tension indicating washers | Ivan Wayne Wallace | 1998-06-23 |
| 4495430 | Balanced armature winding for motors | Wolfgang Jaffe | 1985-01-22 |
| 4404488 | Brush board assembly for dynamoelectric machine | — | 1983-09-13 |
| 4396850 | Brush board assembly for dynamoelectric machine with flat end commutator | — | 1983-08-02 |
| 4386291 | Multi-level armature winding for single air gap motor | — | 1983-05-31 |
| 4355255 | Brushless direct current motor and control therefor | Wolfgang Jaffe | 1982-10-19 |
| 4301978 | Electro-magnetic thread tension control for sewing machines | Wolfgang Jaffe | 1981-11-24 |
| 4295118 | Latching relay using Hall effect device | Bruce R. Rogan | 1981-10-13 |
| 4283647 | Annular segment permanent magnet single air gap electric motor | Wolfgang Jaffe | 1981-08-11 |
| 4266152 | Method of and apparatus for cooling electric motors and totally enclosed electric motors incorporating same | Wolfgang Jaffe | 1981-05-05 |
| 4214539 | Position sensing device for electronic sewing machine | Wolfgang Jaffe | 1980-07-29 |
| 4188896 | Diaphragm pump for needle threading | Jack Brown, Wolfgang Jaffe, Wesley R. Peterson | 1980-02-19 |
| 4185575 | Ramp speed integrated motor controller for sewing machines | Jack Brown, Wesley R. Peterson, John W. Wurst | 1980-01-29 |
| 4184443 | Diaphragm pump for needle threading | Jack Brown, Wolfgang Jaffe, Wesley R. Peterson | 1980-01-22 |