| All Patents in class 279/79 |
Patents 31 -
45
of 50
      |
| Number | Date | Patentee | Title | Type |
| 1,858,276 | May 17, 1932 | D.B. Miller | Power driven screw gun with clutch | handheld power tools |
| 1,860,998 | May 31, 1932 | J. Drazick | Tool Holder | tool holders |
| 1,861,246 | May 31, 1932 | J.H. Smith | Adjustable Tool Holder | drilling and boring tool holders |
| 1,862,337 | Jun. 07, 1932 | G.W. Emrick | Tap, drill, and similar tool | drill press chucks |
| 1,862,623 | Jun. 14, 1932 | F.T. Harrington | Tool Holder | sheet metal stamping dies |
| 1,863,466 | Jun. 14, 1932 | G.A. Carlson | Loop Forming Needle | weaver |
| 1,886,177 | Nov. 01, 1932 | E. Gairing | Boring Tool and Holder | drilling and boring tool holders |
| 1,910,296 | May 23, 1933 | F.C. King | Punch Retainer Mechanism | punch presses |
| 1,954,049 | Apr. 10, 1934 | R.K. Jeffery | Tool Holder | tool holders |
| 2,008,367 | Jul. 16, 1935 | H.A. Rhinevault | Detent | socket wrenches |
| 2,089,166 | Aug. 03, 1937 | H.O. Reichardt | Tool Holder | tool holders |
| 2,136,190 | Nov. 08, 1938 | L. Gulfelt | Tool Holder | metalworking machine tool holders |
| 2,392,747 | Jan. 08, 1946 | F.J. Lapointe | Pull head for broaching machines | broaching machines |
| 2,405,961 | Aug. 20, 1946 | F.J. Lapointe | Pull head for broaching machines | broaching machines |
| 2,476,762 | Jul. 19, 1949 | J.O. Olsen, J.N. Petre | Chuck | screwdriver mechanisms |
