Number | Name | Date | Kind |
---|---|---|---|
240434 | Martinsen | Jul 1976 | |
D273677 | Martinsen | May 1984 | |
D276229 | Heilner | Nov 1984 | |
D278057 | McMaster | Mar 1985 | |
D290956 | Witham | Jul 1987 | |
D308062 | Leoni et al. | May 1990 | |
D323828 | Martinsen et al. | Feb 1992 | |
D323829 | Martinsen et al. | Feb 1992 | |
2486438 | Scarlett | Nov 1949 | |
2802062 | Dalton | Aug 1957 | |
4817139 | Russo | Mar 1989 |
Entry |
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Dynatec Product Catalog, dated 1991. |
Dynatec Advertisement Sheet on its Softalk and Mini-Softalk Shoulder Rests |