All Patents in class 279/6 |
Patents 61 -
75
of 103
|
Number | Date | Patentee | Title | Type |
2,120,638 | Jun. 14, 1938 | J.R. Yotta | Boring Head | boring heads |
2,177,820 | Oct. 31, 1939 | H.F. Brown | Boring Chuck | boring heads |
2,276,462 | Mar. 17, 1942 | H.F. Brown | Boring chuck | boring heads |
2,302,869 | Nov. 24, 1942 | A.S. Jewell | Tool Holder | drilling and boring tool holders |
2,305,737 | Dec. 22, 1942 | J.H. Richards | Boring Attachment for Milling Machines | milling machine tools |
2,357,062 | Aug. 29, 1944 | H.C. Stoll | Angle Plate for Lathes | angle bars and angle plates |
2,429,685 | Oct. 28, 1947 | F.P. Healy | Chuck for crankshaft grinders | crankshaft grinders |
2,442,444 | Jun. 01, 1948 | H.E. Tautz | Boring head | boring heads |
2,459,416 | Jan. 18, 1949 | A.H. Davis | Adapter for boring bars | boring bars |
2,460,092 | Jan. 25, 1949 | G.L. Binns, C.W. Lacey | Boring Head for Machine Tools | boring heads |
2,460,689 | Feb. 01, 1949 | H.C. Gillette | Boring Head | boring heads |
2,483,152 | Sep. 27, 1949 | G. Reisinger | Boring Tool Holder | drilling and boring tool holders |
2,489,719 | Nov. 29, 1949 | H.E. Myers | Boring Head With Facing Feed | boring heads |
2,490,117 | Dec. 06, 1949 | A.H. Davis | Adjustable boring bar | boring bars |
2,517,908 | Aug. 08, 1950 | C.E. Miller | Work Spindle With Eccentric Work Support | metalworking machine mechanisms |