| Patents for Albert J. Prance |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 1,132,536 | Mar. 16, 1915 | A.J. Prance | Screw-cutting tap | tapping heads and chucks |
| 1,255,223 | Feb. 05, 1918 | A.J. Prance | Screw-cutting die | tapping heads and chucks |
| 1,563,108 | Nov. 24, 1925 | A.J. Prance | Thread-cutting die | tapping heads and chucks |
| 1,655,563 | Jan. 10, 1928 | A.J. Prance | Thread-cutting die | tapping heads and chucks |
| 1,777,380 | Oct. 07, 1930 | A.J. Prance | Thread-cutting die | tapping heads and chucks |
| 1,983,189 | Dec. 04, 1934 | A.J. Prance | Thread cutting tool | tapping heads and chucks |
| 1,983,190 | Dec. 04, 1934 | A.J. Prance | Thread cutting tool | tapping heads and chucks |
| 2,382,662 | Aug. 14, 1945 | A.J. Prance | Thread milling machine | tapping machines |
