Number | Name | Date | Kind |
---|---|---|---|
945686 | Bonner | Jan 1910 | |
1011090 | Subers | Dec 1911 | |
1357701 | Goodall | Nov 1920 | |
1849717 | Kennedy | Mar 1932 | |
2151307 | Smith | Mar 1939 | |
2308673 | Burgett | Jan 1943 | |
2767741 | Knowland et al. | Oct 1956 | |
3446247 | Manning | May 1969 | |
3500867 | Elson | Mar 1970 |
Number | Date | Country |
---|---|---|
157203 | Mar 1953 | AUX |
1465108 | Jan 1969 | DEX |
2553719 | Nov 1977 | DEX |
3,008,808 | Sep 1981 | DEX |
Entry |
---|
Swedish Magazine "Plastforum", No. 5, 1975, pp. 42-43. |