Number | Name | Date | Kind |
---|---|---|---|
D270271 | Steele | Aug 1983 | |
D341848 | Bigelow et al. | Nov 1993 |
Entry |
---|
Microsoft Windows User's Guide version 3.1, Microsoft, circle/ellipse icon, p. 358, 1992. |
Trademarks& Symbols, vol.2: Symbolical Designs, Van Nostrand Reinhold, Co., #1074-75, p. 115, #886-89, p. 98, 1973. |
Symbol Sourcebook, Henry Dreyfuss, Van Nostrand Reinhold, 5th and 6th rows and siren symbols, p. 169, stop for light vehicles symbol, p. 171, 1972. |