Patents for Albert M. Johnson |
Patents 31 -
45
of 53
|
Number | Date | Patentee | Title | Type |
2,106,217 | Jan. 25, 1938 | A.M. Johnson | Machine tool | |
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 | A.M. Johnson, W.M. Fairbairn | Method and machine for honing cylindrical surfaces | honing machines |
2,171,271 | Aug. 29, 1939 | A.M. Johnson | Honing machine | honing machines |
2,245,922 | Jun. 17, 1941 | A.M. Johnson | Horizontal honing machine | honing machines |
2,247,502 | Jul. 01, 1941 | A.M. Johnson | Honing machine | honing machines |
2,263,878 | Nov. 25, 1941 | A.M. Johnson | Honing machine | honing machines |
2,270,590 | Jan. 20, 1942 | A.M. Johnson | Honing machine | honing machines |
2,271,768 | Feb. 03, 1942 | A.M. Johnson | Honing machine | honing machines |
2,294,184 | Aug. 25, 1942 | A.M. Johnson | Honing machine | honing machines |