Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D266671 | Electrostatic printer/plotter | Ian Turner, Thomas A. Tacklind, Fred H. Stengel | 1982-10-26 |
| 4350579 | Testing apparatus for measuring ions in fluids | Henry Donald Schwartz, Irwin H. Krull, Frederick Stengel, David Hayslett | 1982-09-21 |