Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033914 | High efficiency feeder apparatus for pneumatic conveying lines | Joseph J. Zitek | 1991-07-23 |
| 4545410 | System for transferring dry flowable material | Kermit D. Paul, Charles F. Addams, Jr. | 1985-10-08 |