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All Patents in class 91/396 | |||||
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Picture | Number | Date | Patentee | Title | |
1,877,102 | Sep. 13, 1932 | F.N. Whitesell | Hydraulic Control Means | ||
3,913,451 | Oct. 21, 1975 | D.I. McDonald | Hydraulic Cylinder with Cushioning Means |