| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Charles F. Perkins | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 307,739 | Nov. 11, 1884 | B.S. Atwood | Machine for matching boards | matchers | |
| GB-189,505,185 | Jul. 13, 1895 | A.K. Cross, C.F. Perkins, A.M. Swain | Improvements in Turbine Water-Wheels. | turbine water wheels | |