Number | Date | Country | Kind |
---|---|---|---|
3-354207 | Nov 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3391095 | Tringali | Jul 1968 | |
3657379 | Hilbelink | Apr 1972 | |
4460722 | Igarashi | Jul 1984 | |
4760108 | Asano | Jul 1988 |
Number | Date | Country |
---|---|---|
45-11051 | Apr 1970 | JPX |
52-46339 | Nov 1977 | JPX |
53-11883 | Feb 1978 | JPX |
2-308876 | Dec 1990 | JPX |
Entry |
---|
Derwent, Inc., "Abstract # 78-20514A/11, of J53-11883", McLean, Va. |