| All Patents in class 29/38A |
Patents 31 -
45
of 65
      |
| Number | Date | Patentee | Title | Type |
| 1,921,715 | Aug. 08, 1933 | W.M. Whitney, A. White | Wood shaper | wood shapers |
| 1,924,594 | Aug. 29, 1933 | C.W. Goodrich, L.H. Blood | Combined Automatic Machine Tool | milling machines |
| 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 | |
| 1,976,103 | Oct. 09, 1934 | W.D. Archea | Milling Machinery | milling machines |
| 1,984,052 | Dec. 11, 1934 | D.B. Bullard | Machine Tool Driving Connection | |
| 2,023,779 | Dec. 10, 1935 | E.P. Bullard | Multiple Spindle Metal Working Apparatus | |
| 2,035,737 | Mar. 31, 1936 | L.E. Mehlhope, G.W. Binns | Grinding Machine | grinding machines |
| 2,042,502 | Jun. 02, 1936 | E.P. Bullard | Mechanical Chuck Operator | |
| 2,044,496 | Jun. 16, 1936 | E.C. Bullard | Stationary Tool Metal Working Apparatus | |
| 2,085,692 | Jun. 29, 1937 | E.P. Bullard | Tool Slide and Dwell Mechanism | |
| 2,086,845 | Jul. 13, 1937 | E.C. Bullard | Bimotor Feed Works | |
| 2,086,846 | Jul. 13, 1937 | E.C. Bullard | Feed Works | |
| 2,086,847 | Jul. 13, 1937 | E.H. Johnsn, E.P. Bullard | Machine Tool Spindle Mechanism | |
| 2,086,849 | Jul. 13, 1937 | E.P. Bullard, E.H. Johnson | Carrier Mechanism | |
