| All Patents in class 81/53.2 |
Patents 16 -
30
of 30
      |
| Number | Date | Patentee | Title | Type |
| 1,684,231 | Sep. 11, 1928 | A. Levedahl | Stud driver | handheld power tool accessories |
| 1,875,484 | Sep. 06, 1932 | F. Nigra | Screw Extractor | screw extractors |
| 2,024,852 | Dec. 17, 1935 | G.R. Gagne | Stud Remover | wrench sockets |
| 2,027,534 | Jan. 14, 1936 | C.B. Ingersoll | Stud Bolt Wrench | socket wrenches |
| 2,287,069 | Jun. 23, 1942 | A.P. Stone | Stud Remover | wrench sockets |
| 2,351,232 | Jun. 13, 1944 | S. Schnabolk | Stud setting and removal tool | stud drivers |
| 2,580,247 | Dec. 25, 1951 | J. Vacheron, R.G. Secondi | Cam actuated wrench | stud extractors |
| 2,670,644 | Mar. 02, 1954 | G.H. Du Sell | Attachment for power-driven rotary tools | |
| 2,744,311 | May 08, 1956 | E. Nipken, W. Nipken | Drill extractor | drilling and boring |
| 4,713,990 | Dec. 22, 1987 | D.C. Poling | Bolt extracting tool | stud extractors |
| 4,724,730 | Feb. 16, 1988 | J.A. Van Lenten, W.G. Mader | Wrench socket with cam locking feature | wrench sockets |
| 4,856,386 | Aug. 15, 1989 | H.L. Rodriguez | Socket assembly for multiple size wrenching surfaces | wrench sockets |
| 4,899,626 | Feb. 13, 1990 | K. Lymburner | Bolt or stud mounting and extracting tool | stud extractors |
| 5,315,902 | May 31, 1994 | E. Morales, L. Ragland | Stud removing tool | stud extractors |
| 6,003,411 | Dec. 21, 1999 | J.R. Wise, R.L. Knox | Cam-Lobed Salvage Tool | |
