Number | Name | Date | Kind |
---|---|---|---|
648263 | Hull | Apr 1900 | |
986003 | Hohenstein | Mar 1911 | |
3170171 | Mayhew et al. | Feb 1965 | |
3539181 | Larsen | Nov 1970 | |
3593454 | Einfalt | Jul 1971 | |
3701356 | Hanna et al. | Oct 1972 | |
3752472 | Snead | Aug 1973 | |
3866916 | Clarke | Feb 1975 | |
4356657 | Goldfarb et al. | Nov 1982 | |
4936330 | LaHue | Jun 1990 | |
5015210 | Dideriksen | May 1991 | |
5152727 | Moore et al. | Oct 1992 | |
5469587 | Demeny | Nov 1995 | |
5480336 | Blanchard | Jan 1996 | |
5649867 | Briggs | Jul 1997 |
Entry |
---|
Kenner's Girder & Panel Hydro-Dynamic Building Set # 11, Advertisent, "Playthings" vol 62 #7, pp. 113-114, Jul. 1964. |