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| US4155148 | 21 Nov 1977 | 22 May 1979 | Marshall and Williams Company | Tentering clip |
| US4193175 | 9 Jun 1978 | 18 Mar 1980 | Marshall and Williams Company | Method of operating a tentering clip |
| US4949438 | 15 Jul 1988 | 21 Aug 1990 | Marshall and Williams Company | Tenter clip with replaceable bushings |
| US6026727 | 6 Feb 1997 | 22 Feb 2000 | Lawrence Paper Company | Rotary scoring apparatus having retractable scoring blade |
| US7162781 | 23 Sep 2005 | 16 Jan 2007 | Fuji Photo Film Co., Ltd. | Tenter device |