This application claims the benefit of Ser. No. 06/036,394, filed on Jan. 24, 1997.
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2841222 | Smith | Jul 1958 | |
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3238141 | Gatza | Mar 1966 | |
3639233 | Schultz et al. | Feb 1972 | |
3811504 | Flournoy et al. | May 1974 | |
3953337 | Walker et al. | Apr 1976 | |
4016932 | Kalfoglou | Apr 1977 | |
4059154 | Braden, Jr. et al. | Nov 1977 | |
4066124 | Carlin et al. | Jan 1978 | |
4077471 | Shupe et al. | Mar 1978 | |
4490263 | Stapp et al. | Dec 1984 | |
4758357 | Hoff | Jul 1988 | |
4919827 | Harms | Apr 1990 | |
4959164 | Engelmann et al. | Sep 1990 | |
5008026 | Gardner et al. | Apr 1991 | |
5057234 | Bland et al. | Oct 1991 | |
5308547 | Burba, III et al. | May 1994 | |
5358044 | Hale et al. | Oct 1994 | |
5602082 | Hale et al. | Feb 1997 | |
5643858 | Woolley | Jul 1997 | |
5686396 | Hale et al. | Nov 1997 |
Number | Date | Country |
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0 430 602 B1 | Sep 1995 | EPX |
2 238 560 | Jun 1991 | GBX |
2297774 | Aug 1996 | GBX |
2297775 | Aug 1996 | GBX |
Entry |
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