Number | Name | Date | Kind |
---|---|---|---|
202939 | Frost et al. | Apr 1878 | |
D333944 | Denzin et al. | Mar 1993 | |
3179287 | Rickmeier, Jr. | Apr 1965 | |
3268144 | Gaunt | Aug 1966 | |
3344974 | Bostrom | Oct 1967 | |
4113095 | Dietz et al. | Sep 1978 | |
4386703 | Thompson et al. | Jun 1983 | |
4425368 | Watkins | Jan 1984 | |
4660734 | Heaney et al. | Apr 1987 | |
4694950 | Macleod, Jr. | Sep 1987 | |
4828112 | Vollrath et al. | May 1989 |
Number | Date | Country |
---|---|---|
0172081 | Feb 1986 | EPX |
Entry |
---|
Pp. 29 and 30 from Cambro 1991 Product Catalog, Jan. 1, 1991. |