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D104992 | Cook | Jun 1937 | |
D168205 | Baustain et al. | Nov 1952 | |
D245579 | Jewell | Aug 1977 | |
D257584 | Finkel | Dec 1980 | |
D272029 | Grusin | Jan 1984 | |
D273051 | Runyon | Mar 1984 | |
D289262 | Goetz et al. | Apr 1987 | |
D335896 | Evenson | May 1993 | |
D343120 | Lapsker et al. | Jan 1994 | |
D343795 | Verchere | Feb 1994 | |
D350880 | VanValkenburg et al. | Sep 1994 | |
D355360 | Mund et al. | Feb 1995 | |
D357161 | Booten | Apr 1995 | |
D363669 | Pennoyer, Jr. | Oct 1995 | |
D371962 | Petruzzi | Jul 1996 | |
D378563 | Ferris | Mar 1997 | |
D390265 | Cheris et al. | Feb 1998 | |
2375645 | Gordon | May 1945 | |
3902628 | Schurman | Sep 1975 | |
3908828 | Lohwasser | Sep 1975 | |
4487328 | Wilcox et al. | Dec 1984 | |
4640416 | Northrup et al. | Feb 1987 | |
4889235 | Hess | Dec 1989 | |
5035319 | Kunisch | Jul 1991 | |
5167336 | Lajovic | Dec 1992 | |
5312011 | Fischer | May 1994 | |
5407074 | Brightbill et al. | Apr 1995 | |
5699925 | Petruzzi | Dec 1997 |