| Patents for Erickson Tool Co. |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,778,647 | Jan. 22, 1957 | S.S. Benjamin, M.L. Benjamin | Floating Tool Holder | drilling and boring tool holders |
| 2,793,547 | May 28, 1957 | M.L. Benjamin, F.E. Winnen | Adjustable bit boring bar | facing heads |
| 2,848,239 | Aug. 19, 1958 | S.S. Benjamin, M.L. Benjamin | Floating Tool Holder | drilling and boring tool holders |
| 2,965,380 | Dec. 20, 1960 | M.L. Benjamin | Floating Tool Holder | drilling and boring tool holders |
| 3,159,060 | Dec. 01, 1964 | W.N. Miles | Offset Boring Head | boring heads |
| 3,313,187 | Apr. 11, 1967 | M.L. Benjamin, D.D. Walker | Boring bar insert | boring bars |
| 3,364,799 | Jan. 23, 1968 | M.L. Benjamin, W.N. Miles, D.D. Walker | Offset Boring Head | boring heads |
| 3,941,014 | Mar. 02, 1976 | D.D. Walker, M.L. Benjamin | Precision Heavy Duty Indexer | indexers and dividers |
| 4,080,849 | Mar. 28, 1978 | W.N. Miles, D.D. Walker, M.L. Benjamin | Precision Heavy Duty Indexer | indexers and dividers |
