| Patents for Adolph L. De Leeuw |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 1,018,035 | Feb. 20, 1912 | A.L. De Leeuw | Vise | metalworking machine vises |
| 1,035,547 | Aug. 13, 1912 | A.L. De Leeuw | Emergency Clutch | milling machines |
| 1,071,634 | Aug. 26, 1913 | A.L. De Leeuw | Tooth Rest | grinding fixtures |
| 1,075,285 | Oct. 07, 1913 | A.L. De Leeuw | Cutter Setting Dial | tool grinders |
| 1,078,540 | Nov. 11, 1913 | A.L. De Leeuw | Gear Cutter Grinder | grinding fixtures |
| 1,093,118 | Apr. 14, 1914 | A.L. De Leeuw | Oiling System | metalworking machine lubrication |
| 1,102,186 | Jun. 30, 1914 | A.L. De Leeuw | Oiling System | metalworking machine lubrication |
| 1,108,107 | Aug. 18, 1914 | A.L. De Leeuw | Feed Mechanism for Machine Tools | metalworking variable speed mechanisms |
| 1,116,031 | Nov. 03, 1914 | A.L. De Leeuw | Feeding Mechanism for Machine Tools | metalworking power transmission |
| 1,120,649 | Dec. 08, 1914 | A.L. De Leeuw | Knockdown Vise | metalworking machine vises |
| 1,130,685 | Mar. 02, 1915 | A.L. De Leeuw | Machine Tool Organization | milling machines |
| 1,131,044 | Mar. 09, 1915 | A.L. De Leeuw | Pump | centrifugal pumps |
| 1,132,534 | Mar. 16, 1915 | A.L. De Leeuw | Heavy-duty structure | milling machines |
| 1,143,691 | Jun. 22, 1915 | A.L. De Leeuw | Grinder Structure | tool grinders |
| 1,144,935 | Jun. 29, 1915 | A.L. De Leeuw | Machine Tool Control | machine tool controls |
