| Patents Granted on 1957-07-09 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| D180,614 | Jul. 09, 1957 | J.D. Osborn | Horizontal boring machine | horizontal drilling machines |
| D180,640 | Jul. 09, 1957 | E.W. Buck | Magnetic drill support | drill presses |
| 2,798,340 | Jul. 09, 1957 | W.D. Roberts | Apparatus for grinding internal surfaces | metal sanding machines |
| 2,798,347 | Jul. 09, 1957 | S.G. Brady | Means Facilitating the Mounting of Work on an Arbor Preparatory to the Form Grinding of the Same | part fixtures |
| 2,798,381 | Jul. 09, 1957 | H.E. Siverson | Chain construction | other wood sawing machines |
| 2,798,395 | Jul. 09, 1957 | C.H. Johnson | Turret Lathe with Servo Tracer Tool | turret lathes |
| 2,798,757 | Jul. 09, 1957 | J. Jackson | Article lifting device | |
