Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876434 | Curing coatings of a moisture-curable composition | Raymond A. Hanson, Malcolm Tillyard | 1989-10-24 |
| 4846919 | Attaching soles to shoes | Raymond A. Hanson, Karl-Heinz Albert, Hubertus von Voithenberg | 1989-07-11 |