Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12047240 | System, method, and device for modifying network functionality based on provided passphrase | — | 2024-07-23 |
| 7901585 | Process, method and system for removing mercury from fluids | Larry J. Lehtinen | 2011-03-08 |
| 7666318 | Process, method and system for removing mercury from fluids | Larry J. Lehtinen | 2010-02-23 |
| 6062809 | Lift for physically-challenged passengers and method of operation | Rex A. Berkey, Daniel DeFant, Brad Hallum, Edward L. Hopper, Philip Alan Johnson +2 more | 2000-05-16 |
| 5595470 | Lift for physically-challenged passengers and method of operation | Rex A. Berkey, Daniel DeFant, Brad Hallum, Edward L. Hopper, Philip Alan Johnson +2 more | 1997-01-21 |