| Patents for Oster Mfg. Co. |
Patents 16 -
30
of 50
      |
| Number | Date | Patentee | Title | Type |
| 965,403 | Jul. 26, 1910 | H.W. Oster | Die-stock | taps and dies |
| 965,404 | Jul. 26, 1910 | H.W. Oster | Die-stock | taps and dies |
| 977,539 | Dec. 06, 1910 | H.W. Oster | Die-stock for cutting tapered threads | taps and dies |
| 977,540 | Dec. 06, 1910 | H.W. Oster | Thread-cutting mechanism | pipe threading machines |
| 977,541 | Dec. 06, 1910 | H.W. Oster | Die-stock | taps and dies |
| 979,789 | Dec. 27, 1910 | H.W. Oster | Die-stock | taps and dies |
| 979,790 | Dec. 27, 1910 | H.W. Oster | Die-stock | taps and dies |
| 1,044,808 | Nov. 19, 1912 | H.W. Oster | Die-stock | taps and dies |
| 1,044,809 | Nov. 19, 1912 | H.W. Oster | Die-stock | taps and dies |
| 1,044,810 | Nov. 19, 1912 | H.W. Oster | Die-stock | taps and dies |
| 1,047,280 | Dec. 17, 1912 | H.W. Oster | Thread-cutting mechanism | pipe threading machines |
| 1,059,065 | Apr. 15, 1913 | H.W. Oster | Support for robes | automobile accessories |
| 1,075,059 | Oct. 07, 1913 | H.W. Oster | Geared die-stock | pipe threading machines |
| 1,082,282 | Dec. 23, 1913 | H.W. Oster, R.B. Tewksbury | Die-stock | taps and dies |
| 1,082,283 | Dec. 23, 1913 | W.J. Macak, H.W. Oster | Die-stock | taps and dies |
