Number | Name | Date | Kind |
---|---|---|---|
4653356 | Golden | Mar 1987 | |
4932294 | Chang | Jun 1990 | |
4938642 | Imahashi et al. | Jul 1990 | |
5074081 | Beth et al. | Dec 1991 | |
5257654 | Bean et al. | Nov 1993 | |
5265657 | Matsumoto et al. | Nov 1993 | |
5445479 | Hillinger | Aug 1995 |
Number | Date | Country |
---|---|---|
56313 | May 1981 | JPX |
Entry |
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Brochure by Roto Zip Tool Corporation for Roto Mite, published at various times prior to 1996. |