Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925934 | Torsion slide suspension | — | 2015-01-06 |
| 5868320 | Centrally installed cleaning/washing system for buildings | Gary R. Laabs | 1999-02-09 |
| 5759564 | Iontophoretic material | Frederic L. Milder, Barry Weitzner | 1998-06-02 |
| 5749526 | Centrally installed cleaning/washing system for buildings | Gary R. Laabs | 1998-05-12 |
| 4897247 | Treatment of exhaust gases to reduce multi-valent heavy metals | — | 1990-01-30 |
| 4841456 | Test system and method using artificial intelligence control | Thomas J. Hogan, Jr., Jon J. Kasprick, Douglas W. Kersh | 1989-06-20 |
| D271038 | Liquid sprayer | Iven R. Norstrud, John H. Threlkeld | 1983-10-18 |
| 4408720 | Demountable wheeled liquid sprayer | Iven R. Norstrud, John H. Threlkeld | 1983-10-11 |
| D270429 | Liquid dispensing container | Roger L. Huisinga, Iven R. Norstrud | 1983-09-06 |
| 4188291 | Treatment of industrial waste water | — | 1980-02-12 |