Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220618 | Method of making a mold with a core supporting bushing | Fred W. Pierson, Sr., Fred W. Pierson, Jr. | 1980-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220618 | Method of making a mold with a core supporting bushing | Fred W. Pierson, Sr., Fred W. Pierson, Jr. | 1980-09-02 |