| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/97 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 24,388 | Jun. 14, 1859 | D.D. Hardy | Rotary Steam Engine | ||
 | 683,614 | Oct. 01, 1901 | C.R. Meston | Air-compressor | |
 | 958,345 | May 17, 1910 | J.T. Wilkin | Vacuum-pump | |
 | 1,199,229 | Sep. 26, 1916 | B.F. Augustine | Rotary Explosion Engine | |