Patents for Howard E. Barlow |
Patents 1 -
10
of 19
      |
Picture | Number | Date | Patentee | Title |
 | 443,417 | Dec. 23, 1890 | H. Thurston | Button-machine |
| 522,958 | Jul. 17, 1894 | H.E. Barlow, E.B. Benham | Water Motor |
 | 622,091 | Mar. 28, 1899 | J.A. Turck | Adding-machine and register |
 | 695,072 | Mar. 11, 1902 | F. Mossberg | Improvements in Nut-Wrenches |
 | 779,386 | Jan. 03, 1905 | C.B. Wattles | Grinding or polishing-roll |
 | 824,394 | Jun. 26, 1906 | C.F. Warner | Mechanical Implement |
 | 824,420 | Jun. 26, 1906 | C.A. Fisk | Micrometer Gage |
 | 828,585 | Aug. 14, 1906 | H. Thurston | Circuit-closer for trolley-signals |
 | 851,180 | Apr. 23, 1907 | E.T. Mathewson | Adjustable gear |
 | 893,881 | Jul. 21, 1908 | M.A. Smith | Beam compass |