Number | Date | Country | Kind |
---|---|---|---|
60-159917[U] | Oct 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1974183 | Gunderson | Sep 1934 | |
2321126 | Breuer | Jun 1943 | |
2612843 | Gruetjen | Oct 1952 | |
3764236 | Carter | Oct 1973 | |
4177021 | Niedermeyer | Dec 1979 |
Number | Date | Country |
---|---|---|
2620053 | Nov 1977 | DEX |
Entry |
---|
Japanese Utility Model Laid-Open Specification No. sho 50-96202. |
Japanese Utility Model Publication No. sho 52-35521. |
Japanese Patent Laid-Open Specification No. sho 58-160545. |