Number | Date | Country | Kind |
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2485-90 | May 1990 | CSX |
Number | Name | Date | Kind |
---|---|---|---|
1307358 | Houseman | Jun 1919 | |
2521258 | Semotan | Sep 1950 | |
2644325 | Hanes, Jr. et al. | Jul 1953 | |
3003342 | Kent et al. | Oct 1961 | |
3417581 | Docekal et al. | Dec 1968 |
Number | Date | Country |
---|---|---|
95445 | Nov 1983 | EPX |
432233 | Jul 1935 | GBX |
1577474 | Oct 1980 | GBX |
Entry |
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"Czechoslovkia, Recent Patent", The Hosiery Trade Journal, vol. 80, No. 960, Dec. 1973, p. 132. |