| Patents for Herman R. Isler |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 684,432 | Oct. 15, 1901 | H.R. Isler | Engine Lathe | metal lathes |
| 684,433 | Oct. 15, 1901 | H.R. Isler | Differential Speed Mechanism | metal lathes |
| 704,645 | Jul. 15, 1902 | H.R. Isler | Differential Speed Mechanism | metal lathes |
| 1,249,632 | Dec. 11, 1917 | H.R. Isler | Grinding-machine | surface grinders |
| 1,573,818 | Feb. 23, 1926 | H.R. Isler, S. Einstein | Shock Absorbing Motion Accelerator | metalworking machine mechanisms |
| 1,577,353 | Mar. 16, 1926 | H.R. Isler, S. Einstein | Steady Rest | cylindrical grinders |
| 1,679,413 | Aug. 07, 1928 | H.R. Isler, L.F. Nenninger, S. Einstein | Cutter Grinder | tool grinders |
| 1,877,500 | Sep. 13, 1932 | H.R. Isler, S. Einstein | Hydraulic Grinder | grinding machines |
| 1,924,608 | Aug. 29, 1933 | H.R. Isler | Cutter Grinder | tool grinders |
| 1,935,633 | Nov. 21, 1933 | H.R. Isler | Grinding Machine | tool grinders |
| 1,938,772 | Dec. 12, 1933 | H. Ernst, H.R. Isler | Hydraulic Drive for Milling Machines | hydraulic apparatus |
| 1,969,063 | Aug. 07, 1934 | H.R. Isler, H. Ernst | Grinding Machine | grinding machines |
| 1,975,947 | Oct. 09, 1934 | S. Einstein, H.R. Isler | Machine Tool | tool grinders |
| 2,002,816 | May 28, 1935 | H.R. Isler | Machine Tool Drive | indexers and dividers |
| 2,042,258 | May 26, 1936 | H.R. Isler | Universal Dividing Head Quadrant | indexers and dividers |
