Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687748 | Spool and shell with pressurizing fluid activated seal | Lucas J. Conrad, Robert Eugene Grubbs | 1997-11-18 |
| 5669397 | Tobacco expansion processes and apparatus | Hoyt S. Beard, Lucas J. Conrad, J. Edward Crook, Robert C. Johnson, Donald Newton +1 more | 1997-09-23 |
| 5657771 | Process and apparatus for tobacco batch preparation and expansion | Hoyt S. Beard, Denise Fox, Robert C. Johnson, Franklin Allan Stump, Jr. | 1997-08-19 |
| 5653245 | Tobacco expansion processes and apparatus | Hoyt S. Beard, Lucas J. Conrad, J. Edward Crook, Robert C. Johnson, Donald Newton +1 more | 1997-08-05 |
| 5647382 | Component spool and shell pressure vessel with hydraulic fluid actuated pressure seals | Lucas J. Conrad, John Edward Crook, Robert Eugene Grubbs, Wayne David Detwiler | 1997-07-15 |