Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275660 | Systems and methods of biogenic methane mitigation | Anne Kania, Cornelius Valkenburg, Kevin Holland | 2025-04-15 |
| 9204725 | Rocker-equipped hunting blind | Frank M. Stewart, David W. Ewald | 2015-12-08 |
| 9181105 | Floating treatment streambed | Frank M. Stewart | 2015-11-10 |
| 8523951 | Prosthetic socket interface and assembly | — | 2013-09-03 |
| 8443749 | Floating island module comprised of post-consumer carpet fiber matrix and method of manufacturing same | Frank M. Stewart, Jeffrey Hanson | 2013-05-21 |
| 8372277 | Floating treatment streambed | Frank M. Stewart | 2013-02-12 |
| 8327579 | Super-enhanced, adjustably buoyant floating island | Frank M. Stewart, Russell F. Smith, Thomas N. Coleman, Alfred Cunningham | 2012-12-11 |
| 8287728 | Elevated swale for treatment of contaminated stormwater | Frank M. Stewart, David Brian Kroll | 2012-10-16 |
| 8250808 | Super-enhanced, adjustably buoyant floating island | Frank M. Stewart, Russell F. Smith, Thomas N. Coleman, Alfred Cunningham | 2012-08-28 |
| 8132364 | Highly buoyant and semi-rigid floating islands | Frank M. Stewart | 2012-03-13 |
| 8001932 | Fish spawning structure | Frank M. Stewart | 2011-08-23 |
| 7941970 | Combination-cell foam floating island | Frank M. Stewart | 2011-05-17 |
| 7810279 | Buoyant wetland system | Frank M. Stewart | 2010-10-12 |
| 7789043 | Renewably buoyant, self-protective floating habitat | Frank M. Stewart, Russell F. Smith, Thomas N. Coleman, Alfred Cunningham | 2010-09-07 |
| 7784218 | Combination-cell foam floating island | Frank M. Stewart | 2010-08-31 |
| 7594468 | Wooden spiral for flavoring wine and method of manufacturing same | David L. Zimmerman | 2009-09-29 |
| 7555866 | Renewably buoyant, self-protective floating habitat | Frank M. Stewart, Russell F. Smith, Thomas N. Coleman, Alfred Cunningham | 2009-07-07 |
| 7320669 | Biofidelic shoulder brace | James Campbell, Rodger Broick, David L. Zimmerman, Warren B. Harding | 2008-01-22 |
| 7291182 | Gel and cushioning devices | — | 2007-11-06 |
| 7255679 | Shoulder brace | Warren B. Harding, David L. Zimmerman | 2007-08-14 |
| 7207963 | Shoulder brace | Warren B. Harding, David L. Zimmerman | 2007-04-24 |
| 7157614 | Treatment devices providing targeted antimicrobial action | Robert O. Becker, John Scofield | 2007-01-02 |
| 7135005 | Shoulder brace | — | 2006-11-14 |
| 6964688 | Tube sock-shaped covering | — | 2005-11-15 |
| 6733467 | Shoulder brace | — | 2004-05-11 |