| Patents for Barnes Drill Co. |
Patents 31 -
45
of 144
      |
| Number | Date | Patentee | Title | Type |
| 2,044,076 | Jun. 16, 1936 | A.M. Johnson | Skip-stop control mechanism | honing machines |
| 2,083,023 | Jun. 08, 1937 | W.M. Fairbairn, A.M. Johnson | Machine tool | multiple spindle drill presses |
| 2,083,194 | Jun. 08, 1937 | A.M. Johnson | Honing machine | honing machines |
| 2,106,216 | Jan. 25, 1938 | A.M. Johnson | Honing machine | honing machines |
| 2,106,217 | Jan. 25, 1938 | A.M. Johnson | Machine tool | |
| 2,108,354 | Feb. 15, 1938 | F.A. Swanson | Blind end cylinder honing machine | |
| 2,111,784 | Mar. 22, 1938 | A.M. Johnson | Honing machine | honing machines |
| 2,114,349 | Apr. 19, 1938 | A.M. Johnson | Honing machine | honing machines |
| 2,130,393 | Sep. 20, 1938 | A.M. Johnson | Honing machine | honing machines |
| 2,139,234 | Dec. 06, 1938 | A.M. Johnson | Carriage mounting | |
| 2,163,604 | Jun. 27, 1939 | A.M. Johnson | Honing machine | honing machines |
| 2,164,067 | Jun. 27, 1939 | W.M. Fairbairn, A.M. Johnson | Machine for dressing external cylindrical surfaces | |
| 2,167,758 | Aug. 01, 1939 | W.M. Fairbairn, A.M. Johnson | Method and machine for honing cylindrical surfaces | honing machines |
| 2,171,271 | Aug. 29, 1939 | A.M. Johnson | Honing machine | honing machines |
| 2,176,316 | Oct. 17, 1939 | F.A. Swanson | Honing machine | honing machines |
