Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599491 | Method and apparatus for making a mold for duplicating a positive master | Albert Schr oder | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599491 | Method and apparatus for making a mold for duplicating a positive master | Albert Schr oder | 1997-02-04 |