Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924629 | Rolling diaphragm system for deflating weatherstrips | Jack E. Smith | 1990-05-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924629 | Rolling diaphragm system for deflating weatherstrips | Jack E. Smith | 1990-05-15 |