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| All Patents in class 192/85.48 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,515,329 | Jul. 18, 1950 | F.H. Bogart | Power chuck wrench | metal lathe accessories and attachments | |
| 2,734,609 | Feb. 14, 1956 | R.C. Fritzsch | Pneumatic clutch control | sheet metal brakes | |