Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366122 | Apparatus for making urea-formaldehyde insulation | David H. Harmon | 1982-12-28 |
| 4291128 | Process for making urea-formaldehyde insulation | David H. Harmon | 1981-09-22 |
| 4278119 | Storage means for removable tips for hand tool | — | 1981-07-14 |