| All Patents in class 279/30 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 37,022 | Nov. 25, 1862 | L. Winslow | Fastening bits or augers to their stocks or handles | brace chucks |
| 499,920 | Jun. 20, 1893 | E.P. Nichols, W.H. Griffin | Adjustable Wrench | brace wrenches |
| 1,723,824 | Aug. 06, 1929 | M.E. Tobeler | Removable Tool Holder | sheet metal stamping dies |
| 2,089,166 | Aug. 03, 1937 | H.O. Reichardt | Tool Holder | tool holders |
| 2,280,620 | Apr. 21, 1942 | F.J. Theler, G.W. Binns | Apparatus for Finishing Tubular Articles | grinding machines |
| 2,709,600 | May 31, 1955 | J.W. Lehde | Lock and Ejector Collets | tool holding collets |
| 2,896,985 | Jul. 28, 1959 | W. Brantz | Socket | wrench sockets |
| 4,899,626 | Feb. 13, 1990 | K. Lymburner | Bolt or stud mounting and extracting tool | stud extractors |
