| Patents for Earl M. Hardine |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,217,188 | Feb. 27, 1917 | E.R. Klemm | Braking device | motor vehicle brakes |
| 1,256,646 | Feb. 19, 1918 | C.J. Barry | Grinding and Polishing Machine | polishing and buffing machinery |
| 1,266,486 | May 14, 1918 | E. Kleingris | Tool Holder | metal shaper tool holders |
| 1,298,068 | Mar. 25, 1919 | B.T. McCanna, E.R. Klemm | Gas-engine governor and auxiliary air-inlet | internal combustion engine governors |
| 1,322,873 | Nov. 25, 1919 | E.C. Brull | Filing-machine | filing machines |
| 1,401,161 | Dec. 27, 1921 | G. Lidseen | Oil-Can Spout Closer | oil cans |
| 1,410,193 | Mar. 21, 1922 | E.R. Klemm | Vehicle | motor vehicles |
| 1,451,032 | Apr. 10, 1923 | C. Stecher | Soldering machine | |
| 1,502,476 | Jul. 22, 1924 | E.R. Klemm, Jr., B.T. McCanna | Gas-engine governor | internal combustion engine governors |
