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| All Patents in class 30/504 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,154,367 | Apr. 11, 1939 | J.M. Up De Graff | Combination Hack and Compass Saw Frame | ||
| 2,439,568 | Apr. 13, 1948 | L.C. Hall | Saw Guard | ||
| 2,517,649 | Aug. 08, 1950 | J. Frechtmann | Blade Guard | ||
| 2,792,163 | May 14, 1957 | C.B. Kidwell | Saw Scabbard | ||
| 2,954,118 | Sep. 27, 1960 | W.T. Anderson | Guard for Protecting the Cutting Edges of Saw Blades | ||