| Number | Date | Country | Kind |
|---|---|---|---|
| 33520/75 | Aug 1975 | GBX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 412054 | Williams | Oct 1889 | |
| 957854 | Mueller | May 1910 | |
| 2053985 | Collins et al. | Sep 1936 | |
| 2126186 | Friedland | Aug 1938 | |
| 2222946 | Hall | Nov 1940 | |
| 2618139 | Silman | Nov 1952 | |
| 3474643 | Robinson et al. | Oct 1969 | |
| 3602914 | Castello | Sep 1971 | |
| 3640097 | Betts et al. | Feb 1972 | |
| 3813901 | Betts et al. | Jun 1974 | |
| 3824810 | Betts et al. | Jul 1974 | |
| 3882696 | Jeffcoat et al. | May 1975 |
| Number | Date | Country |
|---|---|---|
| 1,046,337 | Dec 1953 | FRX |
| 1,371,497 | Oct 1974 | GBX |
| Entry |
|---|
| Dubied Knitting Manual, Neuchatel, Switzerland, 1967, pp. 57-58. |