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| All Patents in class 220/DIG.8 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,177,852 | Oct. 31, 1939 | D.D. Wile | Refrigerating Apparatus | refrigeration apparatus | |
| 2,208,860 | Jul. 23, 1940 | E.F. Smart | Adjustable Clip | tool holding clips | |