| Number | Date | Country | Kind |
|---|---|---|---|
| D950791 | Oct 1995 | NOX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D336422 | Hannerstig | Jun 1993 |
| Entry |
|---|
| Montrose Supply Catalog, 1977, p. 377, thread guard, item No. 143135, circled item at left of page. |
| Larson catalog, Jul. 30, 1987, p. 24, hook, circled at left of page. |
| Larson catalog, Jul. 30, 1987, p. 22, hook, circled at left of page. |