Number | Name | Date | Kind |
---|---|---|---|
774404 | Swan | Nov 1904 | |
1700538 | Grant et al. | Jan 1929 | |
4183604 | Tjornhom, Sr. | Jan 1980 | |
4405877 | Haraden et al. | Sep 1983 | |
4432593 | Waluk | Feb 1984 | |
4850900 | Yarmark | Nov 1987 | |
5150008 | Lee | Sep 1992 | |
5199783 | Pelton | Apr 1993 |
Entry |
---|
Leviton sockets on p. 114 of Home Lighting & Accessories, Oct. 1989. |
Triboro Threaded Phenolic Lampholders, pp. 35, 39 and 55 of Triboro Catalog. |