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All Patents in class 29/DIG.066 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 365,744 | Jun. 28, 1887 | J.W. Heyer | Drilling-machine | |
928,758 | Jul. 20, 1909 | E.E. Houghton | Pneumatic attachment for mortising machines | ||
![]() | 1,090,299 | Mar. 17, 1914 | A.M. Harrington, R.F. Scott | Bolt-cutting machine | |
![]() | 1,208,289 | Dec. 12, 1916 | F.M. Carroll | Gun-barrel-drilling machine | |
![]() | 1,513,350 | Oct. 28, 1924 | J.W. Stolle | Means for and method of drilling deep holes in wood | |
![]() | 2,372,699 | Apr. 03, 1945 | H.V. Boehnke, C.A. Wiken | Cutting machine |