Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D502926 | Electrical gang box cover | — | 2005-03-15 |
| D502927 | Electrical gang box cover | — | 2005-03-15 |
| 6120101 | Chair frame construction | — | 2000-09-19 |
| 5417072 | Controlling the temperature in a cryogenic vessel | Arnold H. Silver | 1995-05-23 |
| 4281517 | Single stage twin piston cryogenic refrigerator | Donald B. Sullivan | 1981-08-04 |