| Patents for Pratt & Whitney Co. |
Patents 151 -
165
of 260
      |
| Number | Date | Patentee | Title | Type |
| 963,144 | Jul. 05, 1910 | B.M. Hanson | Tool Holder | lathe tool holders and tool posts |
| 965,893 | Aug. 02, 1910 | B.M. Hanson | Tool Holder | lathe tool holders and tool posts |
| 968,047 | Aug. 23, 1910 | C.L. Grohmann | Attachment for Milling Machines | milling machine accessories |
| 968,052 | Aug. 23, 1910 | B.M. Hanson | Tool Support for Turret Lathes | lathe tool holders and tool posts |
| 975,356 | Nov. 08, 1910 | B.M. Hanson | Belt Shifter | industrial machine pulleys and belt drive mechanisms |
| 983,226 | Jan. 31, 1911 | B.M. Hanson | Grinding Machine | grinders |
| 984,809 | Feb. 21, 1911 | C.L. Goodrich | Chuck | drill press chucks |
| 1,063,160 | May 27, 1913 | B.M. Hanson | Forming Machine | milling machines |
| 1,076,242 | Oct. 21, 1913 | W.T. Sears | Radial drill | radial drill presses |
| 1,084,544 | Jan. 13, 1914 | B.M. Hanson | Shaper | metal slotting machines |
| 1,084,628 | Jan. 20, 1914 | B.M. Hanson | Metal Reducing Machine | surface grinders |
| 1,089,442 | Mar. 10, 1914 | W.T. Sears | Radial drill | radial drill presses |
| 1,104,988 | Jul. 28, 1914 | B.M. Hanson | Metal Reducing Machine | surface grinders |
| 1,118,342 | Nov. 24, 1914 | B.M. Hanson | Metal-working machine | metal shapers |
| 1,122,649 | Dec. 29, 1914 | W.T. Sears | Adjusting mechanism | radial drill presses |
