| Patents for John M. Luers |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 1,292,620 | Jan. 28, 1919 | J.M. Luers | Center Drilling Jig | jigs and fixtures |
| 1,835,958 | Dec. 08, 1931 | J.M. Luers | Forming Tool Holder and Cutter Therefor | lathe tool holders and tool posts |
| 1,863,907 | Jun. 21, 1932 | J.M. Luers | Tool Holder and Blade Protector | lathe tool holders and tool posts |
| 1,935,511 | Nov. 14, 1933 | J.M. Luers | Tool Gauge | tool setting apparatus |
| 2,176,265 | Oct. 17, 1939 | J.M. Luers | Tool | lathe tools |
| 2,202,591 | May 28, 1940 | J.M. Luers | Parting Tool | lathe tools |
| 2,223,831 | Dec. 03, 1940 | J.M. Luers | Tool Holder | lathe tool holders and tool posts |
| 2,293,006 | Aug. 11, 1942 | J.M. Luers | Tool Holder | lathe tool holders and tool posts |
| 2,302,783 | Nov. 24, 1942 | J.M. Luers | Tool Holder and Cutter | lathe tool holders and tool posts |
| 2,304,580 | Dec. 08, 1942 | J.M. Luers | Grinding Machine | grinding machines |
| 2,309,518 | Jan. 26, 1943 | J.M. Luers | Quenching and Straightening Tool | heat treating machines |
| 2,328,477 | Aug. 31, 1943 | J.M. Luers | Toolholder | lathe tool holders and tool posts |
| 2,343,855 | Mar. 07, 1944 | J.M. Luers | Locking Cam for Toolholders | lathe tool holders and tool posts |
| 2,344,442 | Mar. 14, 1944 | J.M. Luers | Cutting-Off Blade | lathe tools |
| 2,353,913 | Jul. 18, 1944 | J.M. Luers | Cutting-Off Tool and Holder | lathe tools |
