| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Perry A. Zimmerman | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,168,794 | Jan. 18, 1916 | J. Enoch | Expanding mandrel | metal lathe accessories and attachments | |
| 1,180,362 | Apr. 25, 1916 | P.A. Zimmerman | Lathe-dog | lathe dogs | |