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| US3945550 | 12 Nov 1974 | 23 Mar 1976 | | Staple-feeding magazine for a stapler |
| US4323184 | 15 Apr 1980 | 6 Apr 1982 | Firma Karl M. Reich Maschinenfabrik GmbH | Apparatus for filling the magazine of a fastener driver |
| US4805825 | 13 Aug 1987 | 21 Feb 1989 | Yun Yueh Liu Yang | Safety nail driving device |
| US5076481 | 5 Mar 1990 | 31 Dec 1991 | Romeo Maestri & Figli S.p.A. | Stapler for driving metal staples |