Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200380 | Method for continuous production for wallboard tape joint compound | Ronald S. Finkelstein | 2001-03-13 |
| 5879446 | Gypsum wallboard, and method of making same | Ronald S. Finkelstein | 1999-03-09 |
| 5779786 | Ready mixed setting-type joint compound, and method of making same | — | 1998-07-14 |
| 5722626 | Reusable riser | Robert J. Menchetti, Ronald S. Finkelstein, Daniel A. Winkowski | 1998-03-03 |
| 5653797 | Ready mixed setting-type joint compound and method of making same | — | 1997-08-05 |