Number | Name | Date | Kind |
---|---|---|---|
1970081 | Eisendrath | Aug 1934 | |
2792827 | Gravin | May 1957 | |
3017640 | Cardwell | Jan 1962 | |
3293405 | Costanzo | Dec 1966 | |
3476102 | Sarnoff | Nov 1969 | |
4023282 | Ziegelheafer | May 1977 | |
4055108 | Pelton | Oct 1977 | |
4094080 | Sanders | Jun 1978 | |
4249319 | Yoshida | Feb 1981 | |
4676223 | Petersen | Jun 1987 | |
4841646 | Maurer | Jun 1989 | |
4961235 | Williger | Oct 1990 | |
5027440 | Morris | Jul 1991 | |
5038779 | Barry et al. | Aug 1991 |
Number | Date | Country |
---|---|---|
3544856 | Oct 1986 | DEX |
Entry |
---|
"Visa-Therm Socks Powered by D-Cells", The Sporting Goods Dealer, Aug. 1966, p. 222. |