Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454454 | Polygonal friction disk and method | James Macey, James J. Petroski | 1995-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454454 | Polygonal friction disk and method | James Macey, James J. Petroski | 1995-10-03 |