| Patents for Charles Hannigan |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 253,850 | Feb. 21, 1882 | S. Darling | Gas Heating Apparatus |
 | 315,621 | Apr. 14, 1885 | I.L. Holmes | Adustable Stop for Calipers |
 | 422,769 | Mar. 04, 1890 | N.T. Greene | Liberating valve-gear for engines |
 | 424,605 | Apr. 01, 1890 | N.T. Greene | Exhaust-valve for engines |
 | 425,219 | Apr. 08, 1890 | N.T. Greene | Exhaust-valve-gear for engines |
 | 428,662 | May 27, 1890 | M.J. Bartlett | Screw-Driver |
 | 432,928 | Jul. 22, 1890 | M.J. Bartlett | Wrench For Screw Drivers |
 | 444,699 | Jan. 13, 1891 | N.T. Greene | Safety valve-gear for steam-engines |
 | 448,742 | Mar. 24, 1891 | L.L. Northrup | Saw setting machine |
 | 465,045 | Dec. 15, 1891 | S.D. Keene | Bobbin |
