Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735989 | Pilfer and vandalism resistant hasp locking mechanism | Dennis E. Schramm, Allen Alexander | 2004-05-18 |
| 5090514 | Safety device operable by a passenger of a motor vehicle | — | 1992-02-25 |
| 4711703 | Thermal protection method for electroanalytical cell | John M. Hale, Eugen Weber | 1987-12-08 |
| 4585542 | Thermal protection method for electroanalytical cell and amperometric probe | John M. Hale, Eugen Weber | 1986-04-29 |
| 4518477 | Thermal protection for electroanalytical cell and amperometric probe | John M. Hale, Eugen Weber | 1985-05-21 |