Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103752 | Method and apparatus for managing radon gas | — | 2015-08-11 |
| 6067755 | Cover arrangement for roof gutters; and, method | — | 2000-05-30 |
| 5890324 | Roof-mounted arrangement for melting snow; and, method | — | 1999-04-06 |
| 5360390 | Prosthetic device with a retaining strap | — | 1994-11-01 |