| Number | Name | Date | Kind |
|---|---|---|---|
| D344011 | Carsello | Feb 1994 | |
| D352888 | Carsello | Nov 1994 | |
| D357852 | Shen | May 1995 |
| Entry |
|---|
| Schlage Lock Company, Drawing No. 35-158, Dated Sep. 24, 1997, Key, Sidebit Primus Control STD Bow Embossed. |
| Ilco Unican Catalog, Items 101-F and 180A, p. 115, Dec. 1984. |
| ILCO Unican Catalog, Item SC1-PC, p. 18, Aug. 1995. |