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| US4124937 | 17 Jan 1977 | 14 Nov 1978 | | Improved notching shear for notching woven textile fabric or other flexible or pliable sheet material |
| US4327618 | 31 Jan 1977 | 4 May 1982 | | Apparatus for cutting a strip of material |
| US4513502 | 28 Feb 1983 | 30 Apr 1985 | | Beverage lid cutter |
| US4875274 | 19 May 1988 | 24 Oct 1989 | | Method of cutting metal stud and bending and securing same to form angel member |
| US5295424 | 16 Jul 1992 | 22 Mar 1994 | | Portable multiple shingle roof-cap cutter and method of using same |
| US6675686 | 7 Jun 2002 | 13 Jan 2004 | Dan-List A/S Maskinfabrik | Apparatus for production of a bar notch |