Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7354636 | Flexible laminate material for lighter-than-air vehicles | Charles K. Lavan | 2008-04-08 |
| 6979479 | Flexible material for lighter-than-air vehicles | Charles K. Lavan | 2005-12-27 |
| 5565153 | Process of making polyvinylidene fluoride membranes | Mark Chidlaw, Dwayne T. Friesen, Carol A. Thornton, Daniel J. Brose | 1996-10-15 |
| 4824443 | Gas separation by composite solvent-swollen membranes | Stephen L. Matson, Eric K. Lee, Dwayne T. Friesen | 1989-04-25 |
| 4737166 | Acid gas scrubbing by composite solvent-swollen membranes | Stephen L. Matson, Eric K. Lee, Dwayne T. Friesen | 1988-04-12 |