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| All Patents in class 414/740 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,828,878 | Apr. 01, 1958 | R.G. Tourneau | Log handling machine | sawmill log handling | |
| 2,868,089 | Jan. 13, 1959 | H.E. Bargren, G.B. Seeberg | Milling machine | ||
| 4,013,176 | Mar. 22, 1977 | J.J. Schachte, E.R. Lohneis | Unitary Work Changer for Machining Center | workpiece changers and storage mechanisms | |
| 4,126,233 | Nov. 21, 1978 | R.G. Jeske | Tool Transfer Mechanism for Machine Tools | tool changers and storage mechanisms | |