Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735644 | Pneumatic tube system and blower assembly | Leo J. Grosswiller, Morton B. Albert, Kenneth L. Wilhelm, Robert J. Beck | 1998-04-07 |
| D390775 | Pipe and tube hanger | — | 1998-02-17 |
| 5538366 | Accelerator ring | Evan R Piland | 1996-07-23 |
| 4860812 | Connecting means for partition systems | William T. Klim, Robert H. Ashworth, Robert E. Thiele | 1989-08-29 |