| Patents for Oster Mfg. Co. |
Patents 31 -
45
of 50
      |
| Number | Date | Patentee | Title | Type |
| 1,085,934 | Feb. 03, 1914 | H.W. Oster | Die-stock | taps and dies |
| 1,085,935 | Feb. 03, 1914 | H.W. Oster | Die-stock | taps and dies |
| 1,116,838 | Nov. 10, 1914 | W.J. Macak, H.W. Oster | Die-stock | taps and dies |
| 1,128,034 | Feb. 09, 1915 | H.W. Oster | Die-stock | taps and dies |
| 1,132,486 | Mar. 16, 1915 | H.W. Oster | Tire holder and lock | automobile accessories |
| 1,139,063 | May 11, 1915 | H.W. Oster | Lathe attachment for stamping markings | |
| 1,150,449 | Aug. 17, 1915 | H.W. Oster | Die-stock | taps and dies |
| 1,159,790 | Nov. 09, 1915 | H.W. Oster | Oiling mechanism for machine-tools | metalworking machine lubrication |
| 1,185,929 | Jun. 06, 1916 | H.W. Oster | Geared die-stock | pipe threading machines |
| 1,199,917 | Oct. 03, 1916 | H.W. Oster | Portable tool-turning machine | metal threading machines |
| 1,258,239 | Mar. 05, 1918 | H.W. Oster | Tap | taps and dies |
| 1,280,823 | Oct. 08, 1918 | H.W. Oster | Mechanism for closing and finishing the ends of metal tubes | metalworking machines |
| 1,361,400 | Dec. 07, 1920 | R.B. Tewksbury, H.W. Oster | Diestock | taps and dies |
| 1,367,323 | Feb. 01, 1921 | H.W. Oster | Pipe-cutter | pipe cutting machines |
| CA-275,935 | Nov. 29, 1927 | G.D. Sleeth, H.W. Oster | Portable power driven threading tool | handheld power tools |
