| Patents for Frederick Diehl |
Patents 1 -
10
of 27
      |
| Picture | Number | Date | Patentee | Title |
 | 867,914 | Oct. 08, 1907 | F. Diehl, A.F. Becker | Electric fan |
| | 938,649 | Nov. 02, 1909 | F. Diehl | Controller for electric motors |
| | 961,135 | Jun. 14, 1910 | F. Diehl | Sewing-machine |
| | 1,037,217 | Sep. 03, 1912 | F. Diehl | Lubricating device |
| | 1,207,719 | Dec. 12, 1916 | H.L. Zabriskie, F. Diehl | Portable motor-support |
| | 1,207,828 | Dec. 12, 1916 | H.L. Zabriskie, G.C. Marx | Portable motor-support |
 | 1,212,002 | Jan. 09, 1917 | B.B. Bean | Valve Grinding Tool |
| | 1,253,795 | Jan. 15, 1918 | F. Diehl | Drive-wheel |
 | 1,254,607 | Jan. 22, 1918 | W.F. Koch | Micrometer |
| | 1,369,407 | Feb. 22, 1921 | F. Diehl | Rheostat |
