| Patents for Dudley B. Bullard |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 670,837 | Mar. 26, 1901 | D.B. Bullard | Turret-Lathe |
| | 670,838 | Mar. 26, 1901 | D.B. Bullard | Turret-Lathe |
| | 683,591 | Oct. 01, 1901 | D.B. Bullard | Clutch Mechanism |
| | 737,996 | Sep. 01, 1903 | D.B. Bullard | Lathe |
| | 1,786,147 | Dec. 23, 1930 | D.B. Bullard | Chuck |
| | 1,938,310 | Dec. 05, 1933 | G.R. Appelberg, D.B. Bullard | Spindle Drive for Machine Tools |
| | 1,958,844 | May 15, 1934 | D.B. Bullard | Drilling Attachment |
| | 1,984,052 | Dec. 11, 1934 | D.B. Bullard | Machine Tool Driving Connection |
| | 2,058,294 | Oct. 20, 1936 | D.B. Bullard | Gear Shifting Control Mechanism |
