Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904539 | Continuous strip of electrical component assemblies and method of making same | John P. Kling | 1990-02-27 |
| 4744963 | Highly efficient calcination of gypsum to hemihydrate | Otto L. Dozsa, Donald R. Janninck, Larbi Bounini | 1988-05-17 |
| 4238445 | Process for manufacturing gypsum board | — | 1980-12-09 |