Number | Name | Date | Kind |
---|---|---|---|
2052567 | Haines | Sep 1936 | |
2217545 | Guenther | Oct 1940 | |
2322510 | Franzen | Oct 1943 | |
2583159 | Swanson | Jan 1952 | |
2751718 | Falkman | Jun 1956 |
Number | Date | Country |
---|---|---|
365574 | Dec 1922 | DE2 |
Entry |
---|
K. O. Lee "Compact Tool and Cutter Grinders"; 5/86, U.S.; pp. 1-4; Author unknown. |
H. D. T. "Cuttermaster"; date unknown, U.S.; pp. 1-4; Author unknown. |
"Darex Precision End Mill Sharpeners"; date unknown; U.S.; p. 1-8; Author unknown. |