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| All Patents in class 29/818 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,997,778 | Aug. 29, 1961 | C.R. Barkley | Apparatus for assembling and securing ball bearings within a retainer | dies for punch presses | |
| 6,532,649 | Mar. 18, 2003 | B.M. Campbell, H.P. Sablowski | Crimping machine | ||