Patents for Buhr Machine Tool Co. |
Patents 1 -
7
of 7
      |
Number | Date | Patentee | Title | Type |
817,587 | Apr. 10, 1906 | M. Nelson | Machine for drilling nuts and the like | multiple spindle drill presses |
1,696,468 | Dec. 25, 1928 | J.F. Buhr | Multiple-spindle drill head | multiple spindle drill presses |
1,934,910 | Nov. 14, 1933 | J.F. Buhr | Collet Means | drill press accessories |
1,973,942 | Sep. 18, 1934 | J.F. Buhr | Socket Collet Structure | drill press accessories |
2,068,594 | Jan. 19, 1937 | J.F. Buhr | Bearing Structure for Rotatable Spindles and the Like | metalworking machine mechanisms |
2,078,192 | Apr. 20, 1937 | R.G. Ellis, J.F. Buhr | Tool Holder | drill press accessories |
2,152,302 | Mar. 28, 1939 | J.F. Buhr | Lock for Tool Holders | drill press accessories |