Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955311 | Foldaway floating dock | — | 1990-09-11 |
| 4858121 | Medical payment system | William H. Davis, Karl Rautenkranz | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955311 | Foldaway floating dock | — | 1990-09-11 |
| 4858121 | Medical payment system | William H. Davis, Karl Rautenkranz | 1989-08-15 |