Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8574603 | Hatching kit for toxicity test | Mark W. Widder, Eugene Hull | 2013-11-05 |
| 7702473 | Submersible portable in-situ automated water quality biomonitoring apparatus and method | Mark W. Widder, Mark W. Brown, Murray S. Swanson | 2010-04-20 |
| 7094417 | Fish hatching method and apparatus | Mark W. Widder, Eugene Hull | 2006-08-22 |
| 6988394 | Apparatus and method of portable automated biomonitoring of water quality | Mark W. Widder, Mark W. Brown, Murray S. Swanson | 2006-01-24 |
| 6393899 | Apparatus and method for automated biomonitoring of water quality | Mark W. Widder, Jeffrey Daniel Leach, William Hendrik Van Der Schalie, Robert Charles Bishoff | 2002-05-28 |
| 6058763 | Apparatus and method for automated biomonitoring of water quality | Mark W. Widder, Jeffery Daniel Leach, William H. VAN DER SCHALIE, Robert Charles Bishoff | 2000-05-09 |