| Patents for Joseph F. Buhr |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 1,075,545 | Oct. 14, 1913 | J.F. Buhr | Explosive Engine |
| | 1,392,678 | Oct. 04, 1921 | J.F. Buhr | Chuck |
| | 1,394,709 | Oct. 25, 1921 | J.F. Buhr | Drill Head |
| | 1,428,002 | Sep. 05, 1922 | J.F. Buhr | Drill Head for Drilling Machines |
 | 1,696,468 | Dec. 25, 1928 | J.F. Buhr | Multiple-spindle drill head |
| | 1,700,975 | Feb. 05, 1929 | J.F. Buhr | Drill Head |
| | 1,702,810 | Feb. 19, 1929 | J.F. Buhr | Tapping Chuck |
| | 1,845,123 | Feb. 16, 1932 | J.F. Buhr | Collet Means |
| | 1,934,910 | Nov. 14, 1933 | J.F. Buhr | Collet Means |
| | 1,973,942 | Sep. 18, 1934 | J.F. Buhr | Socket Collet Structure |
