Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10330234 | Peristaltic pulse dampener | — | 2019-06-25 |
| 9523359 | Linear peristaltic pump having opposing staggered curved surfaces | — | 2016-12-20 |
| 8777597 | Linear peristaltic pump having a platen and pressure plate with curved surfaces | — | 2014-07-15 |
| 8366420 | Linear peristaltic pump having opposing staggered curved surfaces | — | 2013-02-05 |
| 7543493 | Rain gauge | — | 2009-06-09 |
| 6609422 | Rain gauge with horizontal indicator | — | 2003-08-26 |
| 6494089 | Rain gauge | — | 2002-12-17 |
| 5795070 | Thermometer | — | 1998-08-18 |
| 5630774 | Exercise technique and apparatus | — | 1997-05-20 |
| D376987 | Measuring instrument | — | 1996-12-31 |
| 5573485 | Exercising and stretching apparatus | — | 1996-11-12 |
| D333788 | Dispenser cap | — | 1993-03-09 |
| 5180080 | Dispenser and method of viewing granular dry matter as it is being dispensed | — | 1993-01-19 |
| 5121921 | Card dealing and sorting apparatus and method | Willard Friedman | 1992-06-16 |
| 5105757 | Water gauge and method of use therefor | Mark Straub | 1992-04-21 |
| D324657 | Water gauge or similar article | — | 1992-03-17 |
| 5038606 | Rain gauge | George W. Peterson | 1991-08-13 |
| D316981 | Rain gauge | George W. Peterson | 1991-05-21 |
| D311109 | Head and neck support attachment for a headrest | — | 1990-10-09 |
| 4786050 | Exercise machine | — | 1988-11-22 |
| 4611684 | Front-wheel drive motor vehicle | — | 1986-09-16 |
| 4577767 | Knockdown rack | — | 1986-03-25 |
| 4557200 | Tray with folding legs | — | 1985-12-10 |
| 4410214 | Leisure chair | — | 1983-10-18 |
| 4358124 | Utility cart | — | 1982-11-09 |