Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527698 | Recombinant phospholipase A.sub.2 enzyme | John Knopf | 1996-06-18 |
| D363979 | Bead seal gasket | — | 1995-11-07 |
| 5354677 | Intracellular phospholipase A.sub.2 enzyme | John Knopf | 1994-10-11 |
| 5322776 | DNA sequences encoding phospholipase A.sub.2 enzyme and processes for producing enzyme | John Knopf | 1994-06-21 |
| 5289397 | High-speed modulo exponentiator device | Michael J. Conforti | 1994-02-22 |
| 4658094 | Encryption apparatus and methods for raising a large unsigned integer to a large unsigned integer power modulo a large unsigned integer | — | 1987-04-14 |
| 4626333 | Anode assembly for molten salt electrolysis | Duane R. Secrist, Henry E. Grindstaff | 1986-12-02 |
| 4541912 | Cermet electrode assembly | Duane R. Secrist, Thomas E. Landon | 1985-09-17 |
| 4529494 | Bipolar electrode for Hall-Heroult electrolysis | Louis A. Joo', Duane R. Secrist, Kenneth W. Tucker, Jay R. Shaner | 1985-07-16 |
| 4500401 | Anode retraction device for a Hall-Heroult cell equipped with inert anodes | Duane R. Secrist, Scotty L. Hardin, Stephen C. McEntyre | 1985-02-19 |
| 4495049 | Anode for molten salt electrolysis | Duane R. Secrist | 1985-01-22 |
| 4491510 | Monolithic composite electrode for molten salt electrolysis | Duane R. Secrist | 1985-01-01 |
| 4484997 | Corrosion-resistant ceramic electrode for electrolytic processes | Duane R. Secrist | 1984-11-27 |
| 4472258 | Anode for molten salt electrolysis | Duane R. Secrist | 1984-09-18 |
| 4462889 | Non-consumable electrode for molten salt electrolysis | Thomas E. Landon, Duane R. Secrist | 1984-07-31 |
| 4450907 | Cleaning system for packer removal | Tony M. Small | 1984-05-29 |
| 4443314 | Anode assembly for molten salt electrolysis | Duane R. Secrist, Henry E. Grindstaff | 1984-04-17 |
| 4430189 | Method of manufacturing aluminum in a Hall-Heroult cell | Duane R. Secrist | 1984-02-07 |
| 4402041 | Plural storage areas with different priorities in a processor system separated by processor controlled logic | — | 1983-08-30 |
| 4379033 | Method of manufacturing aluminum in a Hall-Heroult cell | Duane R. Secrist | 1983-04-05 |