Number | Date | Country | Kind |
---|---|---|---|
63-279095 | Nov 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1845462 | Wellman | Feb 1932 | |
2512200 | Duncan | Jun 1950 |
Number | Date | Country |
---|---|---|
0144505 | Jun 1985 | EPX |
0280036 | Aug 1988 | EPX |
1549344 | Oct 1970 | DEX |
1082085 | Dec 1954 | FRX |
0101484 | Aug 1980 | JPX |
Entry |
---|
U.S. -Patent Official Gazette, 8th Mar. 1892; & U.S.-A-470 429 (J.V. Hulse, Jr.) 30-06-1891. |