Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877944 | Self regulating heater | Kevin C. Ladd, Philip Scot Carter | 1989-10-31 |
| 4839501 | Cartridge soldering iron | — | 1989-06-13 |
| 4795870 | Conductive member having integrated self-regulating heaters | John F. Krumme | 1989-01-03 |