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All Patents in class 433/158 | |||||
Number | Date | Patentee | Title | Type | |
1,110,379 | Sep. 15, 1914 | T.D. Craig | Dental Instrument | dental tools | |
1,200,179 | Oct. 03, 1916 | J. Enderlin, Jr. | Tool For Detaching Puppet Valves For Grinding, Cleaning or Other Purposes | valve spring tools | |
2,252,798 | Aug. 19, 1941 | O.B. Arnold | Dental Forceps | dental tools |