Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074410 | Interlocking mainframe rail and sash slot system | — | 2011-12-13 |
| D588711 | Window frame | — | 2009-03-17 |
| 4495377 | Substrate wiring patterns for connecting to integrated-circuit chips | Charles L. Johnson | 1985-01-22 |