Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10259196 | Lightweight gypsum wallboard | — | 2019-04-16 |
| 8691007 | Low thermal transmission building material | Susnata Samanta | 2014-04-08 |
| 8673201 | Non-cement fire door core | — | 2014-03-18 |
| 8221542 | Non-cement fire door core | — | 2012-07-17 |
| 8088217 | Cement-based fire door core | — | 2012-01-03 |
| 7927420 | Light weight metal fire door core | — | 2011-04-19 |
| 7651564 | Gypsum-based floor underlayment | — | 2010-01-26 |
| 6846358 | Fire door core | — | 2005-01-25 |
| 6746533 | Quick drying plaster | Anne H. Ksionzyk | 2004-06-08 |
| 6746781 | Gypsum board having polyvinyl alcohol binder in interface layer and method for making the same | Anne H. Ksionzyk, Fabio E. Esguerra | 2004-06-08 |
| 6299970 | Fire-resistant gypsum fiberboard | Turner W. Richards, George F. Fowler | 2001-10-09 |
| 5945208 | Fire-resistant gypsum building materials | Turner W. Richards, George F. Fowler | 1999-08-31 |
| 5798010 | Methods of preparing fire doors | Turner W. Richards, George F. Fowler | 1998-08-25 |
| 5723226 | Gypsum-containing compositions and fire-resistant articles | Anne H. Ksionzyk | 1998-03-03 |
| 5632848 | Continuous processing equipment for making fiberboard | Turner W. Richards, George F. Fowler, Dale R. Greve, Edward Rigby | 1997-05-27 |
| 5439518 | Flyash-based compositions | Anne H. Ksionzyk | 1995-08-08 |
| 5347780 | Gypsum fiberboard door frame | Turner W. Richards, George F. Fowler | 1994-09-20 |
| 5305577 | Fire-resistant structure containing gypsum fiberboard | Turner W. Richards, George F. Fowler | 1994-04-26 |
| 5171366 | Gypsum building product | Turner W. Richards, George F. Fowler | 1992-12-15 |
| 5155959 | Firedoor constructions including gypsum building product | Turner W. Richards, George F. Fowler | 1992-10-20 |
| 4287103 | Joint composition including starch | George W. Green | 1981-09-01 |