Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848018 | Fish-hook coupling and release device | — | 1989-07-18 |
| 4833392 | Apparatus and method for measuring electrostatic polarization | Erwin L. Hahn, Tycho Sloater, Claude Hilbert, Michael B. Heaney | 1989-05-23 |