| Patents for Karl H. Butler |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 970,365 | Sep. 13, 1910 | B.F. Bain | Jar Holder |
 | 999,034 | Jul. 25, 1911 | D.P. Kahle | Wrench |
 | 1,000,221 | Aug. 08, 1911 | H. Wilms | Drafting Instrument |
 | 1,006,185 | Oct. 17, 1911 | C. Dillhoff | Valve Releasing Tool |
 | 1,218,757 | Mar. 13, 1917 | O.C. Gessler | Compound Tool |
| | 1,260,096 | Mar. 19, 1918 | S.J. Todd | Work Holder for Milling Machines |
 | 1,262,830 | Apr. 16, 1918 | T. Nicolescu | Gage |
 | 1,295,180 | Feb. 25, 1919 | L. Lowenstein | Depth Angle-Gage |
 | 1,308,988 | Jul. 08, 1919 | L. Lowenstein | Ratchet Extension for Micrometers |
 | 1,410,110 | Mar. 21, 1922 | J.W. Moore | Wall Hanger for Radiators |
