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6363851 | Gerhard et al. | Apr 2002 | B1 |
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---|---|---|
1231723 | Jan 1967 | DE |
4018709 | Jan 1981 | DE |
0038942 | Nov 1981 | EP |
WO 0018583 | Apr 2000 | WO |
Entry |
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Steven W. Trovinger et al., U.S. patent application No. 09/970,730 filed Oct. 5, 2001, entitled “Sheet Folding Apparatus”. |
Steven W. Trovinger, U.S. patent application No. 10/259,458 filed Sep. 30, 2002, entitled “Method and Apparatus for Sheeting Folding”. |