| Patents Granted on 1957-06-11 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| D180,437 | Jun. 11, 1957 | A.C. Burleigh | Portable rotary surface finishing machine | handheld power sanders |
| 2,795,088 | Jun. 11, 1957 | R. Bernhard, C.J. Schonhoft | Microcentric Grinder | cylindrical grinders |
| 2,795,089 | Jun. 11, 1957 | E.Y. Seborg | Honing machine | honing machines |
| 2,795,146 | Jun. 11, 1957 | U.A. Alfredeen | Reversible Rotary Tool Holder | tool holders |
| 2,795,248 | Jun. 11, 1957 | O. Doerner | Eyeguard for power saw | handheld circular saws |
| 2,795,307 | Jun. 11, 1957 | F.G. Burg | Cyclically operable power transmission mechanism | drill presses |
