Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981590 | Multiple chamber septic tank with a plurality of large and small access ports | Ron Keffer, Robert Horger, Andrew C. Middleton, Robin L. Weightman, Peter Goodale +1 more | 2024-05-14 |
| 8056359 | Fast freeze shelf | Joel B. Kelso, Mary Catherine Stommes | 2011-11-15 |
| D522586 | Emergency address marker | — | 2006-06-06 |
| RE35383 | Interstitial X-ray needle | Robert Miller, Carl A. Muehlenweg | 1996-11-26 |
| 5165093 | Interstitial X-ray needle | Robert Miller, Carl A. Muehlenweg | 1992-11-17 |
| 5027741 | Fire escape device | David McAllister Bradley | 1991-07-02 |
| 4753266 | Valve assembly | Charles L. Matheson, Steven F. Robbins | 1988-06-28 |
| 4517689 | Toilet seat | John T. Smith | 1985-05-21 |
| 4441312 | Combined cycle ramjet engine | — | 1984-04-10 |