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| Patents Granted on 1968-07-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,393,548 | Jul. 23, 1968 | C.J. Bath | Fixture for Stretching Sheet Metal | metal stretch forming machines | |
| 3,393,577 | Jul. 23, 1968 | B.R. Better | Pre-Loaded Ball Screw Assembly | metalworking machine bearings | |
| 3,393,633 | Jul. 23, 1968 | H.L. Sidenstick, H.R. Hoffman | Rubber band stretching method | packing and packaging machines | |