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| All Patents in class 192/45.006 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,412,688 | Apr. 11, 1922 | E.T. Hopkins, J.L. Layton | Tool Holder | tool holders | |
| 2,895,466 | Jul. 21, 1959 | W. Ziegler, C.A. Mattson, A.W. Mall | Chain saw starter mechanism | handheld chainsaws | |