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| All Patents in class 74/613 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 112,504 | Mar. 07, 1871 | G.W. Shipman | Improvement in guards for circular saws | |
 | 976,181 | Nov. 22, 1910 | J.M. Jones | Safety-guard for stamping-machines | |
| 1,696,636 | Dec. 25, 1928 | H.L. Johnston | Grinding apparatus | ||
| 1,906,778 | May 02, 1933 | J.P. Udal | Guard for presses and other like machines | ||
 | 2,860,525 | Nov. 18, 1958 | J.A. Breadner | Guard for drop hammers or presses | |
| 4,373,406 | Feb. 15, 1983 | T.W. Piotrowski | Full Access Pallet Shuttle Guarding | ||