Lighting Design & Application, 6-1980, p. 50, North American Philips Lighting Corp. SL Lamp. |
Toshiba Review, Sep.-Oct. 1980, p. 6 FIG. 3, Compact Fluorescent Lamp. |
Official Gazette issued on Jan. 26, 1982 U.S. Design Patent No. Des. 262,828. |
Official Gazette issued on 8/16/74, Japanese Design Registration No. 384156, registered on 5/28/74. |
Official Gazette issued on 12/17/79, Japanese Design-of-Similarity No. 1 to registration No. 384156, registered on 8/31/79. |
Official Gazette issued on 12/11/70, Japanese Design registration No. 317631, registered on 6/16/70. |
Japanese Utility Model disclosure (KOKAI) No. 56-64658, disclosed on 5/30/81. |