Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289664 | Back drainage system for exterior panels | Maurice Lafayette, Jr. | 1994-03-01 |
| 4882890 | Method and apparatus for sealing expandable roof joints with optical insulation | — | 1989-11-28 |
| 4799345 | Reversible compression seal | — | 1989-01-24 |
| 4781003 | Expansion joint seal, frame and assembly | — | 1988-11-01 |
| 4290713 | Expansion joint sealing structures | Delmont D. Brown | 1981-09-22 |