Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363643 | Support means for filter material in a non-electric air cleaner | Clifford B. Elbrader | 1982-12-14 |
| 4290788 | Electrostatic air cleaner and mounting means therefor | Robert R. Pittman, Clifford B. Elbrader | 1981-09-22 |
| 4200909 | High voltage power supply for electrostatic air cleaner | — | 1980-04-29 |