Number | Name | Date | Kind |
---|---|---|---|
D181611 | Schumann | Dec 1957 | S |
2834037 | Schumann | May 1958 | A |
D288987 | Bambury | Mar 1987 | S |
D429568 | Durbin et al. | Aug 2000 | S |
6321408 | Esterson et al. | Nov 2001 | B1 |
Entry |
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Hong Kong Enterprise, vol. 10, Oct. 1996, Brushes—Items P233 and P239, p. 1393. |