| Patents for Robert T. Hazelton | 
| Patents 1 - 
					15
					of 24 
       | 
| Number | Date | Patentee | Title | Type | 
| 1,096,588 | May 12, 1914 | A.J. Baker, R.T. Hazelton | Chip-confining frame | milling machines | 
| 1,125,686 | Jan. 19, 1915 | S. Einstein, R.T. Hazelton | Automatic Machine Tool | machine tool controls | 
| 1,125,905 | Jan. 19, 1915 | R.T. Hazelton | Mechanism Independently Controlling Each Feed | machine tool controls | 
| 1,126,634 | Jan. 26, 1915 | S. Einstein, R.T. Hazelton | Central Control Cone Drive Machine | machine tool controls | 
| 1,141,461 | Jun. 01, 1915 | R.T. Hazelton | Safety Coupling | metalworking machine mechanisms | 
| 1,250,869 | Dec. 18, 1917 | W.H. Vockell, R.T. Hazelton | Slotting Cutter | milling machine cutters | 
| 1,258,614 | Mar. 05, 1918 | S. Einstein, R.T. Hazelton | Automatic Machine Tool | metalworking power transmission | 
| 1,273,365 | Jul. 23, 1918 | S. Einstein, R.T. Hazelton | Automatic Table Lowerer | metalworking machine mechanisms | 
| 1,295,746 | Feb. 25, 1919 | R.T. Hazelton | Vertical Miller | milling machines | 
| 1,315,722 | Sep. 09, 1919 | R.T. Hazelton | Machine-tool | milling machines | 
| 1,390,706 | Sep. 13, 1921 | R.T. Hazelton | Machine Tool Trip | metalworking machine mechanisms | 
| 1,397,210 | Nov. 15, 1921 | R.T. Hazelton | Automatic Table Lowering Attachment | milling machine accessories | 
| 1,438,036 | Dec. 05, 1922 | R.T. Hazelton | Keyed Gear Assembly | metalworking machine gearing | 
| 1,487,329 | Mar. 18, 1924 | R.T. Hazelton | Simplified Universal Milling Machine | milling machines | 
| 1,533,548 | Apr. 14, 1925 | R.T. Hazelton | Gear Casing for Shapers | metal shapers |