| Number | Name | Date | Kind |
|---|---|---|---|
| 2646165 | Whitehead | Jul 1953 | |
| 2744622 | Sparks | May 1956 | |
| 2868428 | Bergstrom | Jan 1959 | |
| 3545664 | Robinson | Dec 1970 | |
| 3741380 | Carney | Jun 1973 | |
| 3837479 | Lehmann | Sep 1974 | |
| 3887067 | Collura et al. | Jun 1975 | |
| 3917064 | Roccaforte | Nov 1975 | |
| 4201293 | Rigazio | May 1980 | |
| 4385687 | Dutcher | May 1983 |
| Number | Date | Country |
|---|---|---|
| 2160508 | Dec 1985 | GBX |
| Entry |
|---|
| "China `Floats` In Unique Display Rack", Packaging News And Trends, Packaging vol. 31, No. 10. Sep. 1986, p. 12. |