| Number | Name | Date | Kind |
|---|---|---|---|
| 2699791 | Hansen | Jan 1955 | |
| 3129540 | Valles | Apr 1964 | |
| 3866618 | Tsukamoto | Feb 1975 | |
| 4343910 | Busch, Jr. et al. | Aug 1982 | |
| 4459987 | Pangburn | Jul 1984 | |
| 4712552 | Pangburn | Dec 1987 |
| Entry |
|---|
| "Modern Salon" May 1987; p. 2--Oblong Dura Cloth Files at Top and Center. |
| "Hong Kong Enterprise" Oct. 1989, p. 517; bottom of page; Item No. BF 700-S and 1213 700-S. |