Patents for none listed |
Patents 2251 -
2265
of 3214
      |
Number | Date | Patentee | Title | Type |
2,628,522 | Feb. 17, 1953 | F.E. Kraft | Open-End Wrench Convertible To Box-Type Wrench | wrenches |
GB-687,611 | Feb. 18, 1953 | n. listed | Improvements in Snap Gages Provided with Dial Indicators | limit gages |
D168,900 | Feb. 24, 1953 | S. Lutsker | Multiple wrench | wrench set holders |
GB-688,305 | Mar. 04, 1953 | n. listed | Improvements in Adapters for Snap Gauges | limit gages |
2,637,236 | May 05, 1953 | M.H. Vergnani, S.E. Vergnani, E. Vergnani | Liner for the Jaw Faces of Pipe Wrenches | pipe jaw attachments for wrenches |
2,637,249 | May 05, 1953 | H.F. Swenson | Clamp | clamps |
DE-1,655,077 | May 07, 1953 | E. Zerver | Zange mit Haftsitz | locking pliers |
2,638,677 | May 19, 1953 | A.H. Sheriff | Sine Bar | angle bars and angle plates |
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 |