Patent Grant
D412634
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|---|---|---|---|
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| D277819 | Crosslen | Mar 1985 | |
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| D294096 | Murphy | Feb 1988 | |
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| D299687 | Handler et al. | Feb 1989 | |
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| D312185 | Prater, Sr. | Nov 1990 | |
| D313516 | Socher | Jan 1991 | |
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| D329950 | Takahashi et al. | Oct 1992 | |
| D332197 | Chase | Jan 1993 | |
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| D338110 | Peay | Aug 1993 | |
| D378966 | Helmsderfer | Apr 1997 | |
| D391794 | Helmsderfer | Mar 1998 | |
| D397893 | Helmsderfer | Sep 1998 | |
| 2174363 | Eubank | Apr 1939 | |
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| 3656193 | Schneider et al. | Apr 1972 | |
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| 5081724 | Takahashi et al. | Jan 1992 | |
| 5265296 | Abbas et al. | Nov 1993 | |
| 5754999 | Helmsderfer | May 1998 | |
| 5802647 | Helmsderfer | Sep 1998 |
