| Number | Name | Date | Kind |
|---|---|---|---|
| D184534 | Pepin | Mar 1959 | |
| D243956 | Clayton et al. | Apr 1977 | |
| D246670 | Bixler et al. | Dec 1971 |
| Entry |
|---|
| "RA-4 Sorter", Bell & Howell Co. Form No. PH-10, copyright 1984. |
| "DocuMail RA-9C Automated Sorting System", Bell & Howell Co. Form No. PH-510, copyright 1984. |
| "Jetstar", Bell & Howell Co. Form No. PH-547, copyright 1988. |
| "Bell & Howell APS 65 Address Printing System Operating Instructions", Bell & Howell Co. Form No. PH-2518, copyright 1982. |