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| All Patents in class 269/128 | |||||
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| Number | Date | Patentee | Title | Type | |
| 261,832 | Aug. 01, 1882 | W.P. Clark | Pipe Vise | pipe and chain vises | |
| 269,141 | Dec. 12, 1882 | N.W. Vandegrift | Pipe Vise | pipe and chain vises | |
| 527,200 | Oct. 09, 1894 | C. Hall | Clamps Adapted to Ornamental and Polished Pipes | pipe jaw attachments for wrenches | |
| 2,604,804 | Jul. 29, 1952 | R.E. Schulz | Self-equalizing driving chuck | crankshaft lathes | |