Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560786 | Liquid level sensor system | John F. Schaupp, David Fischer, William C. Allen | 2023-01-24 |
| 11448238 | Pneumatic landfill pump cycle counter | Steven R. Wells, William C. Allen, Matthew Thomas McKeown, Mark T. Weinberger, John F. Schaupp +1 more | 2022-09-20 |