| Patents for none listed |
Patents 2221 -
2235
of 3298
      |
| Number | Date | Patentee | Title | Type |
| 2,566,507 | Sep. 04, 1951 | R.G. Knudsen, G.M. Walraven | Cylinder Sleeve Puller | |
| 2,566,685 | Sep. 04, 1951 | F. Tvrzicky | Micrometer Calipers | micrometers |
| D164,505 | Sep. 11, 1951 | J.V. Larson | Self-Adjusting Wrench Or Similar Article | pipe wrenches |
| 2,568,524 | Sep. 18, 1951 | J. Verderber | Precision Measuring Device | measurement gauges |
| 2,568,558 | Sep. 18, 1951 | J.C. Nilsson | Adjustable Comparator | comparators |
| D164,687 | Oct. 02, 1951 | C.E. Wright, C.H. Ingwer | Pipe Vise | pipe and chain vises |
| 2,569,873 | Oct. 02, 1951 | E.L. Stacey | Method of Setting of Tool for Brake Drum Machining | special purpose gauges |
| GB-658,752 | Oct. 10, 1951 | n. listed | Improvements in Shockproof Dial Gauges | dial indicator gauges |
| 2,571,528 | Oct. 16, 1951 | M. Braccio | Safety Guard Hammer and the Like | |
| 2,572,492 | Oct. 23, 1951 | K.F. Kempf | Method of Making Adjustable Jaw Wrenches | screw adjust wrenches |
| D165,198 | Nov. 13, 1951 | W.A. Uttz | Camper's Tool | combination tools |
| 2,574,676 | Nov. 13, 1951 | G.J. Waterbury | Toggle Actuated, Plier-Type Wrench | locking pliers |
| 2,575,296 | Nov. 13, 1951 | S. Rogers | Saw Blade Holder | saw handles |
| 2,575,902 | Nov. 20, 1951 | J. Woerman, V. Yager | Air Vent And Focusing Screen Support For Bellows Type Cameras | camera accessories |
| 2,577,228 | Dec. 04, 1951 | C.C. Carlson | Drill Point Gage | special purpose gauges |
