| Patents for none listed |
Patents 2251 -
2265
of 3202
      |
| Number | Date | Patentee | Title | Type |
| 2,638,800 | May 19, 1953 | R.E. Frushour | Table or Head Positioning Attachment for Drill Presses and the Like | drill presses |
| 2,639,510 | May 26, 1953 | F.M. Laserson | Micrometer | micrometers |
| 2,639,638 | May 26, 1953 | C. Gould | Toggle-Actuated Carriage Bolt Wrench | locking pliers |
| FR-1,028,842 | May 28, 1953 | n. listed | Adapter Device For Converting a Caliber Into a Dial Indicator | dial indicator attachments |
| 2,641,478 | Jun. 09, 1953 | J.A. Sigg | Screwdriver | screwdriver mechanisms |
| 2,642,848 | Jun. 23, 1953 | R.G. Knudsen, G.M. Walraven | Air Valve Mechanism for Controling the Operation of Pneumatic Devices and the Like | |
| 2,643,459 | Jun. 30, 1953 | S.G. Snortland, B.E. Beers | Measuring Device for Pistons in Depth Engines | special purpose gauges |
| 2,643,460 | Jun. 30, 1953 | E.C. Zirzow, W.P. Adair, H.W. Dietert | Hardness Testing Indicator | |
| 2,644,131 | Jun. 30, 1953 | W.R. Elwell, G.M. Walraven | Timing Indicator for Internal Combustion Engines | vehicle mechanic |
| 2,644,240 | Jul. 07, 1953 | J.A. Stedman | Easy Reading Micrometer Caliper | special purpose gauges |
| 2,645,020 | Jul. 14, 1953 | S.A. Foster | Accurately Repeating Dial Type Comparator | comparators |
| 2,645,142 | Jul. 14, 1953 | O. Schwenzfeler | Spark Plug Adjusting Pliers | spark plug adjusting |
| 2,645,886 | Jul. 21, 1953 | D.R. Peterson | Surface Grinder | surface grinders |
| 2,645,965 | Jul. 21, 1953 | V. Resch | Dual Wheel Wrench | socket wrenches |
| D170,301 | Sep. 01, 1953 | C.E. Branick | Fluid Pressure Operated Bumper Jack for Automotive Vehicles | |
