| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 415/152.1 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 9,551X | Mar. 30, 1836 | C.S. Mercer | Water wheel | ||
| 202,134 | Apr. 09, 1878 | B.T. Babbitt | Rotary Engine | ||
 | 1,031,834 | Jul. 09, 1912 | B. Brazelle | Fluid-pressure engine | |
 | 2,349,838 | May 30, 1944 | C. Granqvist, H.V. Alexandersson | Micrometer | |