|
| US3948170 | 19 Apr 1973 | 6 Apr 1976 | | Arrangement in silkscreen printing machine |
| US3980295 | 13 Jan 1975 | 14 Sep 1976 | Pitney-Bowes, Inc. | Skew eliminating sheet feeding mechanism |
| US4167673 | 18 Jan 1978 | 11 Sep 1979 | AGFA-GEVAERT N.V. | Sheet squaring device |
| US4201378 | 16 May 1978 | 6 May 1980 | Bell & Howell Company | Skew detector |
| US4310236 | 12 Oct 1979 | 12 Jan 1982 | Eastman Kodak Company | Copy sheet alignment for flash-on-the-fly copiers |
| US4438917 | 16 Oct 1981 | 27 Mar 1984 | International Business Machines Corporation | Dual motor aligner |
| US4753367 | 19 Oct 1987 | 28 Jun 1988 | Mobil Oil Corporation | Wastebasket and inner liner retainer |
| US4944505 | 30 Jan 1989 | 31 Jul 1990 | Brandt, Inc. | Sheet length detector with skew compensation |
| US4971304 | 10 Dec 1986 | 20 Nov 1990 | Xerox Corporation | Apparatus and method for combined deskewing and side registering |
| US5069440 | 5 Apr 1990 | 3 Dec 1991 | Unisys Corporation | Apparatus and method for automatically and continuously producing a flow of singulated mail flats |
| US5072926 | 12 Apr 1990 | 17 Dec 1991 | Oce Nederland B.V. | Device for conveying and positioning sheets |
| US5090683 | 31 Jul 1990 | 25 Feb 1992 | Xerox Corporation | Electronic sheet rotator with deskew, using single variable speed roller |
| US5094442 | 30 Jul 1990 | 10 Mar 1992 | Xerox Corporation | Translating electronic registration system |
| US5169140 | 25 Nov 1991 | 8 Dec 1992 | Xerox Corporation | Method and apparatus for deskewing and side registering a sheet |
| US5192151 | 16 Mar 1992 | 9 Mar 1993 | ICL Personal Systems Oy | Printer |
| US5278624 | 7 Jul 1992 | 11 Jan 1994 | Xerox Corporation | Differential drive for sheet registration drive rolls with skew detection |
| US5594486 | 5 Mar 1996 | 14 Jan 1997 | Canon Kabushiki Kaisha | Sheet convey apparatus |
