| Patents for R. L. Parker |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 99,889 | Feb. 15, 1870 | H.A. Harris | Improvement in saw-set | saw sets |
| 1,160,160 | Nov. 16, 1915 | L.E. Gaisser | Wrench | self-adjust wrenches |
| 1,166,968 | Jan. 04, 1916 | J.E. Carter | Center Gage | center marking gauges |
| 1,184,399 | May 23, 1916 | P.G. Wheeler | Indicator | measurement gauges |
| 1,203,685 | Nov. 07, 1916 | C. Baker | Reversible Ratchet Wrench | ratchet wrenches |
| 1,207,980 | Dec. 12, 1916 | J. Nash | Adjustable Triangle or Square and Protractor | bevels |
| 1,229,322 | Jun. 12, 1917 | D.W. Reip | Ratchet Nut and Pipe Wrench | pipe wrenches |
| 1,251,809 | Jan. 01, 1918 | J. Nash | Adjustable Triangle & Gear Tooth Plotter | special purpose gauges |
| 1,252,672 | Jan. 08, 1918 | C. Anderson, J. Dragon | Saw Teeth | crosscut saw teeth |
| 1,253,227 | Jan. 15, 1918 | L.E. Gaisser | Wrench | self-adjust wrenches |
| 1,269,831 | Jun. 18, 1918 | R.C. McCaleb | Razor Sharpening Machine | cutler |
| 1,271,295 | Jul. 02, 1918 | J.M. Emerick | Means for Sharpening the Raker Teeth of Saws | saw sharpening machines |
