Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632852 | Ion generator in connect/disconnect of plastic tubes | Ivars V. Ivansons | 1997-05-27 |
| 5525186 | Wafer for use in the selective connecting and disconnecting of plastic tubes | Ivars V. Ivansons, Dudley W. C. Spencer | 1996-06-11 |
| 5397425 | Total containment welding of plastic tubes | Ivars V. Ivansons, Dudley W. C. Spencer | 1995-03-14 |
| D355848 | Package for a wafer for the welding and/or cutting of plastic tubes | Ivars V. Ivansons, Dudley W. C. Spencer | 1995-02-28 |
| 5279685 | Total containment device for connect/disconnect of plastic tubes | Ivars V. Ivansons, Dudley W. C. Spencer | 1994-01-18 |
| 5244522 | Total containment welding of plastic tubes | Dudley W. C. Spencer, Ivars V. Ivansons | 1993-09-14 |