Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302724 | Striated mold for a full base dental cast | — | 1989-08-08 |
| D302725 | Striated molded full base dental cast | — | 1989-08-08 |
| D302587 | Striated mold for a quadrant base dental cast | — | 1989-08-01 |
| D302456 | Striated molded quadrant base dental cast | — | 1989-07-25 |
| 4842242 | Ribbed flexible mold for dental model bases | — | 1989-06-27 |