Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366122 | Apparatus for making urea-formaldehyde insulation | Charles E. Elmore | 1982-12-28 |
| 4291128 | Process for making urea-formaldehyde insulation | Charles E. Elmore | 1981-09-22 |