Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303489 | Combined lock and handle unit | Karen L. Graham | 1989-09-19 |
| D302103 | Combined lock and handle unit | Karen L. Graham | 1989-07-11 |
| D300203 | Combined door handle and lock plate unit | Karen L. Graham | 1989-03-14 |
| D300202 | Combined door handle and lock plate unit | Karen L. Graham | 1989-03-14 |
| D300204 | Combined door handle and lock plate unit | Karen L. Graham | 1989-03-14 |
| D300114 | Combined handle and lock | Karen L. Graham | 1989-03-07 |
| D300115 | Combined handle and lock | Karen L. Graham | 1989-03-07 |
| D300113 | Combined door handle and lock plate | Karen L. Graham | 1989-03-07 |