Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326069 | Vacuum toilet system and discharge valve thereof | Christopher J. Clear | 1994-07-05 |
| 5282281 | Portable vacuum toilet system | Christopher J. Clear, Blake V. Ricks | 1994-02-01 |