| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Waupaca Novelty Works | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 205,362 | Jun. 25, 1878 | L.D. Dana | Improvement in friction-clutches | industrial machine clutches | |
| 205,416 | Jun. 25, 1878 | L.D. Dana, F.D. Randall | Improvement in Grinding-Machines | grinders | |
| 254,283 | Feb. 28, 1882 | L.D. Dana | Friction-clutch | industrial machine clutches | |
| 431,446 | Jul. 01, 1890 | L.D. Dana | Friction-clutch | industrial machine clutches | |