Number | Name | Date | Kind |
---|---|---|---|
2842131 | Smith | Jul 1958 | |
3797497 | Crim et al. | Mar 1974 | |
4362161 | Reimels et al. | Feb 1982 | |
4391557 | Bofinger et al. | Mar 1982 | |
4699550 | Baker | Oct 1987 | |
4884571 | Baker | Dec 1989 |
Entry |
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Acra Cut.RTM. Product Brochure by Acra-Cut, Inc. of Acton, Mass., Copyright Date 1991. |