| Number | Name | Date | Kind |
|---|---|---|---|
| D286082 | Shwisha | Oct 1986 | |
| D301633 | Shwisha | Jun 1989 | |
| 4280172 | Krogsrud | Jul 1981 |
| Entry |
|---|
| Comb Liquidation Catalog, Sep. 1989, p. 6, Halogen Twist Lamp. |
| Home Lighting & Accessories, Dec. 1982, p. 26, George Kovacs Lighting Inc. Desk Lamp. |