Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260479 | Method and apparatus for roasting coffee | Raymond Lemaire | 2001-07-17 |
| 6129118 | Downstream plug | Donald D. Savard, Bronislav Walter | 2000-10-10 |
| 6098664 | Pipeline plug | Donald D. Savard | 2000-08-08 |
| 6041811 | Plug for forming an ice barrier in a pipeline | Bronislav Walter, Donald D. Savard | 2000-03-28 |
| 5692544 | Seal and clamp assembly for pipeline flanged connection | Bronislav Walter | 1997-12-02 |
| 5293905 | Pipeline plug | — | 1994-03-15 |
| 4776219 | Pressure transducer | — | 1988-10-11 |
| 4537386 | Engine shutdown valve | Josef Krepela | 1985-08-27 |