| Patents for John M. Luers |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
| | 1,292,620 | Jan. 28, 1919 | J.M. Luers | Center Drilling Jig |
| | 1,835,958 | Dec. 08, 1931 | J.M. Luers | Forming Tool Holder and Cutter Therefor |
| | 1,863,907 | Jun. 21, 1932 | J.M. Luers | Tool Holder and Blade Protector |
| | 1,935,511 | Nov. 14, 1933 | J.M. Luers | Tool Gauge |
| | 2,176,265 | Oct. 17, 1939 | J.M. Luers | Tool |
| | 2,202,591 | May 28, 1940 | J.M. Luers | Parting Tool |
 | 2,223,831 | Dec. 03, 1940 | J.M. Luers | Tool Holder |
| | 2,293,006 | Aug. 11, 1942 | J.M. Luers | Tool Holder |
| | 2,302,783 | Nov. 24, 1942 | J.M. Luers | Tool Holder and Cutter |
| | 2,304,580 | Dec. 08, 1942 | J.M. Luers | Grinding Machine |
