Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7387753 | Method and apparatus to monitor the compressive strength of insulation boards | Timothy Tackett | 2008-06-17 |
| 7205374 | Two-part polyurethane adhesive for bonding insulation boards to a roof deck | John W. Fieldhouse, Joseph John Kalwara, Edward G. Kane | 2007-04-17 |
| 6117375 | Roofing members without auxiliary facers and related methods | Allen Garrett | 2000-09-12 |
| 6044604 | Composite roofing members having improved dimensional stability and related methods | Thomas M. Clayton | 2000-04-04 |
| 5950383 | Metal roof sealing system and method | Robert B. Williamson, Edward G. Kane | 1999-09-14 |
| 5891563 | Polyisocyanurate boards with reduced moisture absorbency and lower air permeability and related methods | — | 1999-04-06 |
| 5735092 | Composite roofing members having improved dimensional stability and related methods | Thomas M. Clayton | 1998-04-07 |
| 4739122 | Preparation of ketones | — | 1988-04-19 |
| 4490559 | Process for making aldehydes from diesters of carbonic acid | Richard W. Wegman | 1984-12-25 |