| Number | Name | Date | Kind |
|---|---|---|---|
| D228263 | Jones | Aug 1973 | |
| D252172 | Carroll et al. | Jun 1979 | |
| D259294 | Box | May 1981 | |
| 4482074 | Lalley | Nov 1984 | |
| 4798304 | Rader | Jan 1989 |
| Number | Date | Country |
|---|---|---|
| 2 400 464 | Mar 1979 | FRX |
| Entry |
|---|
| UTZ Brochure "Materials Handling in Plastic" (1994 or earlier), pp. 34, 52, and 107. |
| Photograph of container from Lewis Systems Division of Menasha Corporation. |
| Photograph of container from Schaefer Systems. |