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All Patents in class 403/92 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 139,174 | May 20, 1873 | F.H. Merrill | Improved Pipe Tongs | |
![]() | 339,633 | Apr. 13, 1886 | E.D. Farnham | Bevel | |
![]() | 4,070,058 | Jan. 24, 1978 | A.A. Muehling | Infinite position seat back recliner |