Number | Name | Date | Kind |
---|---|---|---|
D386357 | Davidson | Nov 1997 | |
3311353 | Rogenski | Mar 1967 | |
3548280 | Cockroft | Dec 1970 | |
4528824 | Herbert | Jul 1985 | |
4588004 | Herbert | May 1986 | |
4653281 | Van Der Veer | Mar 1987 | |
4681030 | Herbert | Jul 1987 |
Entry |
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Bragonier et al. "What's What: A Visual Glossary of the Physical World" p. 250, Ballantine Books, New York, New York (1981). |
Hamilton Beach/Proctor-Silex, Inc. Commercial Catalog, select pages. (1984). |
Waring, Inc. Commercial Catalog, Hartford Connecticut, select pages. (1985). |