Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905694 | Intracorporeal temporary wound closure | — | 1990-03-06 |
| 4681673 | Portable oxygen sensor with shortened break-in time | Leonard W. Niedrach | 1987-07-21 |
| 4652359 | Portable oxygen sensor with shortened break-in time | Leonard W. Niedrach | 1987-03-24 |
| 4627907 | Long life portable oxygen sensor with high stability | Leonard W. Niedrach | 1986-12-09 |
| 4347429 | High capacity corrosion and erosion resistant electrodes for AC electrode boilers | — | 1982-08-31 |
| 4326017 | Positive electrode for lead acid battery | — | 1982-04-20 |
| 4324848 | Positive electrode for lead acid battery | — | 1982-04-13 |
| 4288683 | Insulating porous matrices for electrode boilers | — | 1981-09-08 |
| 4260874 | Microporous insulating barrier system for electrode boiler output control | — | 1981-04-07 |