| All Patents of Type: insert tool holders |
Patents 1 -
15
of 124
      |
| Number | Date | Patentee | Title | Type |
| 1,240,699 | Sep. 18, 1917 | A.E. Wrigley, E.S. Frey | Tool Holder | insert tool holders |
| 1,269,317 | Jun. 11, 1918 | E. Schlegl | Tool Holder | lathe tool holders and tool posts |
| 1,280,750 | Oct. 08, 1918 | F.A. Johansson | Tool Holder | lathe tool holders and tool posts |
| 1,443,752 | Jan. 30, 1923 | A.B. Lindmark | Tool Holder | insert tool holders |
| 1,700,610 | Jan. 29, 1929 | B.H. Drees | Tool Holder and Tool | insert tool holders |
| 1,736,210 | Nov. 19, 1929 | F.P. Miller | Tool Holder | insert tool holders |
| 1,776,335 | Sep. 23, 1930 | P.E. Rauzières | Tool Holder | insert tool holders |
| 1,926,531 | Sep. 12, 1933 | W.S. Graham | Multiple Tool and Holder | insert tool holders |
| 2,063,129 | Dec. 08, 1936 | O. Severson | Drawbolt Tool Holder and Bit | insert tool holders |
| 2,096,137 | Oct. 19, 1937 | R.D. Shaw | Combined Tool Holder and Chip Breaker | insert tool holders |
| 2,166,826 | Jul. 18, 1939 | N.N. Shepherd | Chip Controller and Breaker | insert tool holders |
| 2,181,023 | Nov. 21, 1939 | J.B. Moore | Cutting Tool | insert tool holders |
| 2,270,387 | Jan. 20, 1942 | B. Spector | Cutting Tool | insert tool holders |
| 2,275,326 | Mar. 03, 1942 | O. Severson | Tool Bit and Tool Holder Therefor | insert tool holders |
| 2,385,010 | Sep. 18, 1945 | J. Lipani | Duplex Reversible Toolholder | insert tool holders |
