| Number | Name | Date | Kind |
|---|---|---|---|
| 5408 | Baillairge | Dec 1871 | |
| D137202 | Scott | Feb 1944 | |
| D172112 | Shoemaker | May 1954 | |
| D176500 | Boldt | Jan 1956 | |
| D223759 | File | Jun 1972 | |
| D262663 | Neu et al. | Jan 1982 | |
| D267122 | Scohan et al. | Nov 1982 | |
| D269720 | Tovey | Jul 1983 | |
| 3125490 | Hershberg | Mar 1964 |
| Entry |
|---|
| Identification Guide for Solid Dosage Forms; Hefferren, Sep.-Oct. 1959, pp. 125-131. |
| Principles of Table & Design; Mfg. Chemist & Mfg. Perfumers, Dec. 1946; article by Mitchell; p. 529. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 284848 | Jul 1981 |