Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384423 | Doorway sidelite | David L. Williams, Stephen J. Sparer | 1997-09-30 |
| D383552 | Doorway transom | David L. Williams, Stephen J. Sparer | 1997-09-09 |
| D383221 | Doorlite | David L. Williams, Stephen J. Sparer | 1997-09-02 |
| D380839 | Doorway sidelite | David L. Williams, Stephen J. Sparer | 1997-07-08 |
| D380840 | Doorlite | David L. Williams, Stephen J. Sparer | 1997-07-08 |
| D380279 | Doorlite | David L. Williams, Stephen J. Sparer | 1997-06-24 |