Number | Name | Date | Kind |
---|---|---|---|
3078249 | Russell | Feb 1963 | |
3326845 | Arens et al. | Jun 1967 | |
4195010 | Russell et al. | Mar 1980 | |
4204820 | Toncelli | May 1980 |
Number | Date | Country |
---|---|---|
53-85884 | Jul 1978 | JPX |
Entry |
---|
Breton; "Know-How" book; certain pages supplied by applicants in Information Statement; pp. 27, 28, 36-56 and 56/a-56/o. |