Number | Name | Date | Kind |
---|---|---|---|
1689444 | Manshel | Oct 1928 | A |
2755576 | Golden | Jul 1956 | A |
3290809 | King | Dec 1966 | A |
3753305 | Mueh | Aug 1973 | A |
4179138 | Bogdanovic | Dec 1979 | A |
4338739 | Greenberger | Jul 1982 | A |
4477048 | Conway | Oct 1984 | A |
4483502 | Fast | Nov 1984 | A |
4572380 | Langwell | Feb 1986 | A |
4693441 | Conway | Sep 1987 | A |
4718627 | Fast et al. | Jan 1988 | A |
5042768 | Goldstein | Aug 1991 | A |
5182152 | Ericson | Jan 1993 | A |
5284689 | Laurash et al. | Feb 1994 | A |
5332265 | Groess et al. | Jul 1994 | A |
5585156 | Fontana | Dec 1996 | A |
5970640 | Farrow | Oct 1999 | A |
6186555 | Rawlings | Feb 2001 | B1 |
Entry |
---|
FLEXcon, “A Retail Applications Guide”, pp 1-10, Jul. 15, 1997. |