Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068804 | Process for making expansion joint material | Fred Migliorini | 2000-05-30 |
| 4842786 | Method for producing an embossed gypsum panel | — | 1989-06-27 |
| 4781558 | Apparatus for making an embossed gypsum panel | — | 1988-11-01 |
| 4533436 | Apparatus for blow line addition of thermosettable binder in fiberboard manufacture including a cooling nozzle | Richard K. Holtman | 1985-08-06 |
| 4407771 | Blow line addition of isocyanate binder in fiberboard manufacture | Richard K. Holtman, Allen R. Hill | 1983-10-04 |
| 4402896 | Blow line addition of thermosettable binder in fiberboard manufacture utilizing cooled nozzle | Richard K. Holtman | 1983-09-06 |