| Patents for Herbert C. Warren |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 531,817 | Jan. 01, 1895 | H.C. Warren | Precision-index | indexers and dividers |
| 547,571 | Oct. 08, 1895 | H.C. Warren | Apparatus for cutting gear-teeth | gear making machines |
| 559,011 | Apr. 28, 1896 | H.C. Warren | Machine for making spur gears | gear making machines |
| 588,738 | Aug. 24, 1897 | H.C. Warren | Machine for generating gear-teeth | gear making machines |
| 605,982 | Jun. 21, 1898 | H.C. Warren | Machine for generating gear-teeth | gear making machines |
| 605,983 | Jun. 21, 1898 | H.C. Warren | Gear-tooth-generating machines | gear making machines |
| 673,743 | May 07, 1901 | H.C. Warren | Tool Holder | lathe tool holders and tool posts |
