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| All Patents in class 29/DIG.63 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,700,114 | Jan. 22, 1929 | C.H. Thompson | Surface Polishing Machine | polishing and buffing machinery | |
| 2,074,257 | Mar. 16, 1937 | M.E. Martellotti, H. Ernst | Vibrating Tool Metalworking Machine | metalworking machine mechanisms | |
| 2,384,225 | Sep. 04, 1945 | J.C. Wilson | Method and Apparatus for Maintaining Uniform Temperature of Diverse Fluids in a Machine Tool | metalworking machine mechanisms | |