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| All Patents in class 30/161 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 292,473 | Jan. 29, 1884 | E.C. Walford, F.G. Dieterich | Cigar Dealer's Knife | |
 | 313,414 | Mar. 03, 1885 | G. Freund | Knife For Miners | |
 | 603,847 | May 10, 1898 | J.F. Harvey | Pocket Knife | |
 | 821,176 | May 22, 1906 | C.S. Leland | Putty knife and chisel | |
 | 1,701,950 | Feb. 12, 1929 | W.C. Hiering | Pocket corkscrew | |
 | 2,512,238 | Jun. 20, 1950 | R.I. Makamura | Frame with slidable tool bit | |
 | 5,781,950 | Jul. 21, 1998 | J.D. Lemaire, D.A. Swinden | Locking Mechanism For A Folding Combination Tool | |