Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235199 | Parallel plumbing supply system | Richard M. Russell | 2001-05-22 |
| 6234542 | Expansion joint for a fluid piping system | Richard M. Russell | 2001-05-22 |
| 6228255 | Portable water treatment facility | Richard M. Russell, David H. Albright | 2001-05-08 |
| 6197197 | Method for fluid delivery in a dialysis clinic | Richard M. Russell | 2001-03-06 |
| 6193472 | Fluid vacuum system | Richard M. Russell | 2001-02-27 |
| 6170515 | Piping manifold with quick connect couplers | Richard M. Russell | 2001-01-09 |
| D436163 | Duct cover | H. Earl Ginn | 2001-01-09 |
| 6020695 | Three-phase generator boost circuit | David W. Kelly, Jason P. Brenden | 2000-02-01 |
| 5391551 | Method of lowering blood lipid levels | — | 1995-02-21 |
| D328602 | Waterbed pump or similar article | — | 1992-08-11 |
| 5136410 | Optical fiber link control safety system | Gerald M. Heiling, David A. Knodel, Brian Andrew Schuelke, David W. Siljenberg, Ronald L. Soderstrom +1 more | 1992-08-04 |
| 4879857 | Resilient leveler and shock absorber for sport floor | David L. Peterson | 1989-11-14 |
| 4832094 | Electric waterbed pump | — | 1989-05-23 |