Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571233 | Apparatus for freezing water in a pipe at a given location | Joseph Ferris | 1996-11-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571233 | Apparatus for freezing water in a pipe at a given location | Joseph Ferris | 1996-11-05 |