Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617546 | Electrical control apparatus with electromagnetic latch | Walter J. Kellogg, Birch L. DeVault | 1986-10-14 |
| 4376239 | Industrial membrane switch | Eric Long, Gary C. Fillus | 1983-03-08 |
| 4324424 | Slip-type conduit hub for enclosures | Ronald D. Woodliff, Edwin S. Johnston | 1982-04-13 |