Giftware Business, Aug. 1982, p. 47; Pac Man-American Tele-Communication Corp. Pushbutton Phone. |
"GTE Flip-Phone Telephone"; Ruffer article in GTE Automatic Electric Journal, vol. 16, 11-1978, p. 216. |
Representation of an apple with a bite cut out, in Apple Computer Inc. Booklet .COPYRGT.1980, showing bitten apple as a trademark on computer units. |
Representation of Apple in U.S. Trademark Reg. No. 1,1130,288, Apple Computer Inc., claiming use on Computers etc., since Jan. 1977. |
Handbook of Designs and Devices, by A. D. F. Hamlin .COPYRGT.1932; p./plate 4, Item 28 (Sector Combinations). |