| Patents for Joseph F. Buhr |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 1,075,545 | Oct. 14, 1913 | J.F. Buhr | Explosive Engine | |
| 1,392,678 | Oct. 04, 1921 | J.F. Buhr | Chuck | metal lathe chucks |
| 1,394,709 | Oct. 25, 1921 | J.F. Buhr | Drill Head | drill press accessories |
| 1,428,002 | Sep. 05, 1922 | J.F. Buhr | Drill Head for Drilling Machines | drill press accessories |
| 1,696,468 | Dec. 25, 1928 | J.F. Buhr | Multiple-spindle drill head | multiple spindle drill presses |
| 1,700,975 | Feb. 05, 1929 | J.F. Buhr | Drill Head | drill press accessories |
| 1,702,810 | Feb. 19, 1929 | J.F. Buhr | Tapping Chuck | drill press chucks |
| 1,845,123 | Feb. 16, 1932 | J.F. Buhr | Collet Means | drill press accessories |
| 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 |
| 1,973,943 | 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 |
