Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413603 | Placemats having integrated adhesive stickers or labels | Katherine C. Horton | 2002-07-02 |
| 5174222 | Apparatus for cleaning of ship hulls | — | 1992-12-29 |
| 4561424 | Nontracking parabolic solar energy collector apparatus | Michael T. Gill | 1985-12-31 |
| 4543946 | Nontracking parabolic solar energy collector apparatus | Michael T. Gill | 1985-10-01 |
| 4529831 | Nontracking parabolic collector apparatus | Michael T. Gill | 1985-07-16 |
| 4475537 | Nontracking parabolic collector apparatus | Michael T. Gill | 1984-10-09 |