| All Patents in class 279/147 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 210,875 | Dec. 17, 1878 | E.S. Pierce | Three-jaw scroll chuck with conical volute | |
| 224,119 | Feb. 03, 1880 | D.E. Whiton | Scroll-chuck | metal lathe chucks |
| 671,461 | Apr. 09, 1901 | E.T. Warn | Chuck-wrench | |
| 709,014 | Sep. 16, 1902 | A.I. Jacobs | Drill-chuck | drill chucks |
| 879,741 | Feb. 18, 1908 | H.L. Coit | Ball-bearing drill chuck | drill press chucks |
| 1,370,598 | Mar. 08, 1921 | D.H. Lapointe | Chuck | drill press chucks |
| 1,620,440 | Mar. 08, 1927 | G.W. Cary | Drill chuck | drill chucks |
| 1,775,992 | Sep. 16, 1930 | G.W. Emrick | Chuck device | tapping machines |
| 2,153,847 | Apr. 11, 1939 | L. Scruggs | Chuck or Tool Holder | metalworking machine tool holders |
| 2,211,216 | Aug. 13, 1940 | J. Oster | Small power driven tool | handheld power tools |
| 3,044,790 | Jul. 17, 1962 | A.M. Stoner | Chuck and operating key with enlarged pilot | drill chucks |
| 5,332,240 | Jul. 26, 1994 | P. Bedoian | Drill Chuck Key Tool | drill press chucks |
