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| US4813458 | 28 Dic 1987 | 21 Mar 1989 | | Ice, frost, and snow scraper for vehicle windscreens | | US4888846 | 5 Ene 1988 | 26 Dic 1989 | GPAC, Inc. | Asbestos scraper | | US5025560 | 24 Oct 1989 | 25 Jun 1991 | Townsend Engineering Company | Ergonomic knife | | US5228610 | 14 Ago 1991 | 20 Jul 1993 | Huck Patents, Inc. | Wrist support for hand-held devices | | USD395582 | 5 Jun 1996 | 30 Jun 1998 | | Tool handle |
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