 
                 Patent Grant
 Patent Grant
                     D352121
 D352121
                    | Number | Name | Date | Kind | 
|---|---|---|---|
| D301069 | Benson et al. | May 1989 | |
| D309503 | Benson et al. | Jul 1990 | |
| D315961 | Kackenmeister et al. | Apr 1991 | |
| 4658178 | Bradley et al. | Apr 1987 | |
| 5053935 | Hellwig et al. | Oct 1991 | |
| 5254901 | Haraden et al. | Oct 1993 | 
| Entry | 
|---|
| Sylvania Capsylite Lamp Catalog, GTE Products Corp., pp. 1-12, Jan. 1990. | 
| The Sylvania Miniature Lamp Guide, Catalog #306, back page, no date. | 
| GTE Claudepoche 1988 General Catalog, p. 55, Dec. 1987. |