| All Patents in class 184/6 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 86,470 | Feb. 02, 1869 | B.F. Sturtevant | Improvement in rotary blowers |
 | 292,446 | Jan. 22, 1884 | G.C. Sims | Lubricator |
| | 358,476 | Mar. 01, 1887 | B.N. Payne | Lubricator |
 | 532,469 | Jan. 15, 1895 | J.E. Lonergan | Lubricator |
| | 644,149 | Feb. 27, 1900 | C.E. Sargent | Lubricating Device for Engines |
 | 1,582,976 | May 04, 1926 | J.W. Gardner | Valve Mechanism |
| | 1,591,539 | Jul. 06, 1926 | A. Levedahl | Crank-case venting means for pneumatic tools |
| | 1,591,540 | Jul. 06, 1926 | R.A. Norling, A. Levedahl | Crank-case venting means for pneumatic tools |
| | 1,803,120 | Apr. 28, 1931 | H.E. McCray | Internal Combustion Engine |
| | 1,961,514 | Jun. 05, 1934 | A.H. Dall, H. Ernst | Automatic Lubricator |
