Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7395762 | Projectile for rapid fire gun | — | 2008-07-08 |
| 6862996 | Projectile for rapid fire gun | — | 2005-03-08 |
| 6178759 | Rupture disk | — | 2001-01-30 |
| 6115848 | Snorkeling/scuba mask with liquid directing member | — | 2000-09-12 |
| 5768895 | Pressure relief system and method for a refrigerator system | Luther D. Albertson, Walter R. Key | 1998-06-23 |
| 5729991 | Pressure relief system for a refrigeration system | Luther D. Albertson, Walter R. Key | 1998-03-24 |
| 5673563 | Pressure relief apparatus and method of use particularly for a refrigeration system | Luther D. Albertson, Walter R. Key | 1997-10-07 |
| 5644930 | Mechanical pressure relief valve having a variable position outlet | Luther D. Albertson, Walter R. Key | 1997-07-08 |
| 5577389 | Rupture disk fragment collection trap for refrigeration systems | Luther D. Albertson, Walter R. Key | 1996-11-26 |
| 5542261 | Refrigerant evaporator over-pressure relief system including a fluid containment vessel | Luther D. Albertson, Walter R. Key | 1996-08-06 |