| Patents for American Tool Works Co. |
Patents 91 -
105
of 124
      |
| Number | Date | Patentee | Title | Type |
| 2,357,952 | Sep. 12, 1944 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism | metalworking speed changing mechanisms |
| 2,366,110 | Dec. 26, 1944 | W.G. Hoelscher | Device for Resisting Movement of the Arm of a Drill | metalworking machine mechanisms |
| 2,382,719 | Aug. 14, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism | metalworking power transmission |
| 2,384,744 | Sep. 11, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism | metalworking power transmission |
| 2,441,764 | May 18, 1948 | W.G. Hoelscher | Column Lubrication for Radial Drills | metalworking machine lubrication |
| 2,475,665 | Jul. 12, 1949 | W.G. Hoelscher | Drill Spindle Driving Mechanism | metalworking power transmission |
| 2,505,737 | Apr. 25, 1950 | W.G. Hoelscher | Lubrication of the Ways and Aprons of Lathes | metalworking machine lubrication |
| 2,557,822 | Jun. 19, 1951 | W.G. Hoelscher | Column Lubrication for Radial Drills | metalworking machine lubrication |
| 2,568,335 | Sep. 18, 1951 | W.G. Hoelscher | Pump lubrication for elevating screws | radial drill presses |
| 2,571,363 | Oct. 16, 1951 | W.G. Hoelscher | Mounting for Work Centers and the Like | metal lathe mechanisms |
| 2,572,479 | Oct. 23, 1951 | W.G. Hoelscher | Lathe Spindle Speed Control Mechanism | metal lathe mechanisms |
| 2,584,963 | Feb. 05, 1952 | W.G. Hoelscher | Feed Indicating Dials for Lathe Carriages | metal lathe mechanisms |
| 2,586,654 | Feb. 19, 1952 | W.G. Hoelscher | Tracer Control Valve | tracer controlled lathes |
| 2,603,117 | Jul. 15, 1952 | W.G. Hoelscher, M. Turchan | Template Controlled Machine Tool | tracer controlled lathes |
| 2,608,109 | Aug. 26, 1952 | W.G. Hoelscher | Hand or Power Transmitting Apparatus | metal lathe mechanisms |
