Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634685 | Electronically-operable door strike with guard clip, springless solenoid and face plate | William Lee Herron, Gary Ferguson, Carlo Frussinetty | 2003-10-21 |
| 5127691 | Strike with rectilinearly movable keeper locking member | William Lee Herron | 1992-07-07 |
| 4495430 | Balanced armature winding for motors | John A. Herr | 1985-01-22 |
| 4460839 | Magnetic laminae sections for single air gap motor | — | 1984-07-17 |
| 4355255 | Brushless direct current motor and control therefor | John A. Herr | 1982-10-19 |
| 4301978 | Electro-magnetic thread tension control for sewing machines | John A. Herr | 1981-11-24 |
| 4293837 | Hall effect potentiometer | Bruce R. Rogan | 1981-10-06 |
| 4283647 | Annular segment permanent magnet single air gap electric motor | John A. Herr | 1981-08-11 |
| 4266152 | Method of and apparatus for cooling electric motors and totally enclosed electric motors incorporating same | John A. Herr | 1981-05-05 |
| 4243899 | Linear motor with ring magnet and non-magnetizable end caps | — | 1981-01-06 |
| 4217507 | Linear motor | Wesley R. Peterson | 1980-08-12 |
| 4214539 | Position sensing device for electronic sewing machine | John A. Herr | 1980-07-29 |
| 4205430 | Method of treating high energy magnets for improving their performance | — | 1980-06-03 |
| 4188896 | Diaphragm pump for needle threading | Jack Brown, John A. Herr, Wesley R. Peterson | 1980-02-19 |
| 4184443 | Diaphragm pump for needle threading | Jack Brown, John A. Herr, Wesley R. Peterson | 1980-01-22 |