Number | Date | Country | Kind |
---|---|---|---|
2-255286 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
D315444 | Maddocks | Mar 1991 | |
2359999 | Langhofer | Oct 1944 | |
3547324 | Parks | Dec 1970 | |
3867971 | Hazan | Feb 1975 | |
4088252 | Grunberger | May 1978 | |
4174059 | Maunder | Nov 1979 | |
4375828 | Biddison | Mar 1983 | |
4593817 | Ferrero | Jun 1986 | |
4643281 | Erickson | Feb 1987 | |
4859822 | Rasuga et al. | Aug 1989 | |
5002197 | Ponsi | Mar 1991 | |
5064088 | Steffes | Nov 1991 | |
5072843 | James | Dec 1991 |
Entry |
---|
Abstract & Drawing from German patent No. 2,452,899, May 1976, 1 page. |