| Number | Name | Date | Kind |
|---|---|---|---|
| D256643 | Johnson | Sep 1980 | |
| 954793 | Graham | Apr 1910 | |
| 3452878 | Smith | Jul 1969 | |
| 3610424 | Connan | Oct 1971 | |
| 3702132 | Fites et al. | Nov 1972 | |
| 3746180 | Spiroch et al. | Jul 1973 | |
| 3909088 | Dennehey et al. | Sep 1975 | |
| 3938665 | Rumble | Feb 1976 | |
| 4102458 | Fors | Jul 1978 | |
| 4117931 | Berkman | Oct 1978 |
| Number | Date | Country |
|---|---|---|
| 1520957 | Mar 1968 | FRX |
| Entry |
|---|
| Montgomery Ward Advertising Publication, Nov. 1, 1980. |