| Patents for New Britain Machine Co. |
Patents 46 -
60
of 62
      |
| Number | Date | Patentee | Title | Type |
| 2,554,990 | May 29, 1951 | L.E. Kilness | Ratchet Mechanism | ratchet wrenches |
| 2,557,454 | Jun. 19, 1951 | D.H. Montgomery | Turning Tool | lathe tools |
| 2,590,068 | Mar. 18, 1952 | A.F. Pekrul | Combined Boring and Turning Tool | boring bars |
| 2,641,146 | Jun. 09, 1953 | C.E. Dilts | Boring and Turning Machine | boring and turning machines |
| 2,648,999 | Aug. 18, 1953 | H.N. Stephan | Horizontal boring, drilling and milling machine | milling machines |
| 2,659,961 | Nov. 24, 1953 | C.E. Dilts | Turning and Boring Machine | boring and turning machines |
| 2,660,911 | Dec. 01, 1953 | K.E. Queitzsch | Operating Handle for Rotary Tools | ratchet wrenches |
| 2,671,368 | Mar. 09, 1954 | F. Diebold | Wrench, Including Movable or Stationary Jaws | nut wrenches |
| 2,685,219 | Aug. 03, 1954 | F. Diebold | Open-End Wrench Jaws Having Thrust and Pull Surfaces of Different Curvature | nut wrenches |
| 2,709,386 | May 31, 1955 | R.C. Hopgood | Angularly Adjustable, Reversible Ratchet Wrench | ratchet wrenches |
| 2,800,821 | Jul. 30, 1957 | E.M. Frucella | Angularly Adjustable, Reversible Ratchet Wrench | angle adjustable wrenches |
| 2,816,767 | Dec. 17, 1957 | A.F. Pekrul | Tool Holder | metalworking machine tool holders |
| 2,872,853 | Feb. 10, 1959 | J.H. Hoern | Milling and boring machine | milling machines |
| 2,962,840 | Dec. 06, 1960 | C.H. Werth | Grinding apparatus | grinders |
| 2,981,389 | Apr. 25, 1961 | L.E. Kilness | Ratchet Mechanism | ratchet wrenches |
