Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022107 | Infusion pump with pressure regulator | James M. Christensen | 2006-04-04 |
| 6645183 | Catheter with adjustable flow rate | James M. Christensen, Steven J. Fix | 2003-11-11 |
| 6569128 | Catheter with adjustable flow restrictor | James M. Christensen | 2003-05-27 |
| D457949 | Multiple chamber infusion pump | James M. Christensen | 2002-05-28 |
| D372780 | Solution bottle positioner | Frederick N. Delgado | 1996-08-13 |
| 5279395 | Railway car brake system | William L. Willis, William T. Deet | 1994-01-18 |
| D342998 | Illuminated tongue depressor handle | Romeo S. Ortiz, Marylin R. Ortiz | 1994-01-04 |
| 5209757 | Illuminated ear cleaning device | Romeo S. Ortiz, Marylin R. Ortiz | 1993-05-11 |
| 5159882 | Railway car underbody structure and method | William L. Willis, Paul J. Dumser, William U. Casseau, William T. Deet, Laurence E. Culligan +1 more | 1992-11-03 |
| 5158022 | Hatch vent assembly for railroad cars with baffle and screen mesh to prevent entry of contaminants | Richard A. Dugge, William U. Casseau | 1992-10-27 |
| 5076173 | Lifting hook arrangement for railway tank car | Thomas B. Baker | 1991-12-31 |
| D317277 | End segment of a railway car | John W. Coulborn | 1991-06-04 |
| 5017065 | Retractable railcar hitch | James C. Hammonds, Kenneth D. Schmidt, Dennis F. Paglusch | 1991-05-21 |
| 4922833 | End structure for railway car | John W. Coulborn | 1990-05-08 |
| 4875417 | End structure for railway car | John W. Coulborn | 1989-10-24 |
| 4696238 | End structure for railway car | Robert Billingsley, Steven L. Jantzen, Walter E. O'Leary | 1987-09-29 |
| 4671786 | Overpressure safety valve | — | 1987-06-09 |
| 4563117 | Trailer hitch retainer pin retention apparatus | Angelo J. Buffone | 1986-01-07 |
| 4502502 | Overpressure safety valve | — | 1985-03-05 |
| 4248160 | Railway hatch cover and strap latching assembly | John L. Carney, Jr. | 1981-02-03 |
| 4239059 | Automatic air inlet and outlet valve assembly | Patricia S. Stoller, Gerald D. Garner | 1980-12-16 |
| 4239060 | Automatic air inlet and outlet valve assembly having upper chamber opening | Patricia S. Stoller, Gerald D. Garner | 1980-12-16 |
| 4237927 | Automatic air inlet and outlet valve assembly | Patricia S. Stoller, Gerald D. Garner | 1980-12-09 |
| 4189263 | Sparger outlet having sparger loop valve assembly | John W. Matthews | 1980-02-19 |