Patents for Ernest H. Johnson |
Patents 1 -
12
of 12
|
Number | Date | Patentee | Title | Type |
1,864,307 | Jun. 21, 1932 | E.H. Johnson | Chip Remover and Water and Dust Seal for Machine Tools | |
2,086,849 | Jul. 13, 1937 | E.P. Bullard, E.H. Johnson | Carrier Mechanism | |
2,086,852 | Jul. 13, 1937 | E.P. Bullard, E.C. Bullard, G.R. Appelberg, E.H. Johnson, F.H. Mussler | Machine Tool | |
2,385,605 | Sep. 25, 1945 | E.P. Bullard, G.R. Appelberg, E.H. Johnson | Machine Tool | |
2,540,186 | Feb. 06, 1951 | E.P. Bullard, G.R. Appelberg, E.G. Bjorklund, E.N. Cowell, C.M. Grinage, E.H. Johnson, P.H. Lange, F.H. Mussler | Machine Tool | |
2,615,183 | Oct. 28, 1952 | E.H. Johnson, A.C. Lindmark | Tapping Attachment | |
2,669,458 | Feb. 16, 1954 | E.H. Johnson | Chuck | metal lathe chucks |
2,696,386 | Dec. 07, 1954 | E.H. Johnson, J.C. La Mastra | Chuck | metal lathe chucks |
2,704,391 | Mar. 22, 1955 | E.H. Johnson | Indexing Mechanism | |
2,809,045 | Oct. 08, 1957 | E.H. Johnson | Lever Actuated Chuck | |
2,848,269 | Aug. 19, 1958 | E.V. Havens, E.H. Johnson | Loading Mechanism | |
2,983,174 | May 09, 1961 | E.H. Johnson, W.A. Ehrlich, E.A. Zukowski | Contour Facing Attachment | |