| Patents for Anna M. Dorr |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 852,846 | May 07, 1907 | J. Rabey | Device For Facilitating The Removal Of Valves | valve spring tools |
| 890,242 | Jun. 09, 1908 | J.H. Londick | Calipers | measurement gauges |
| 1,065,744 | Jun. 24, 1913 | J. Sutorok | Micrometer Gage | micrometers |
| 1,218,757 | Mar. 13, 1917 | O.C. Gessler | Compound Tool | combination cork extractors |
| 1,226,029 | May 15, 1917 | F.P. Tessmer | Foundry flask clamp | clamps |
| 1,260,096 | Mar. 19, 1918 | S.J. Todd | Work Holder for Milling Machines | milling machine accessories |
| 1,262,830 | Apr. 16, 1918 | T. Nicolescu | Gage | special purpose gauges |
| 1,265,954 | May 14, 1918 | A.R. Pribil | Process of Forming Grease Cups | |
| 1,270,480 | Jun. 25, 1918 | L. McCloskey | Tractor | tractors |
| 1,295,180 | Feb. 25, 1919 | L. Lowenstein | Depth Angle-Gage | depth gauges |
| 1,308,988 | Jul. 08, 1919 | L. Lowenstein | Ratchet Extension for Micrometers | measurement gauges |
| 1,400,898 | Dec. 20, 1921 | A.G. Murdock | Hinge-Gage | butt gauges |
| 1,410,110 | Mar. 21, 1922 | J.W. Moore | Wall Hanger for Radiators | radiators |
| 1,431,919 | Oct. 17, 1922 | H. Baerbalck | Crank-shaft lathe | metal lathes |
| 1,482,631 | Feb. 05, 1924 | L. de Linieres | Woodworking machine | tablesaws |
