| Patents for C. Van Haagen & Co. |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 108,305 | Oct. 11, 1870 | C. Van Haagen | Improved Planing Mechanism | metal planers |
| 110,405 | Dec. 20, 1870 | C. Van Haagen | Improvement in portable drilling-tools | hand drills |
| 110,406 | Dec. 20, 1870 | C. Van Haagen | Improvement in gear-cutting machines | gear making machines |
| 110,407 | Dec. 20, 1870 | C. Van Haagen | Improvement in grooving-tools | milling machine accessories |
| 128,190 | Jun. 18, 1872 | A. Van Haagen | Improvement in Planing Machines | metal planers |
| 153,401 | Jul. 21, 1874 | C. Van Haagen | Improvement in machines for sharpening twist-drills | drill grinders |
| 159,723 | Feb. 09, 1875 | C. Van Haagen | Improvement in grinding apparatus | drill grinders |
| 178,209 | May 30, 1876 | C. Van Haagen | Mechanism For Reversing the Motion of the Beds of Metal Planing Machines | metal planers |
| 296,254 | Apr. 01, 1884 | C. Van Haagen | Manufacture of drills | making drills and augers |
