| Number | Name | Date | Kind |
|---|---|---|---|
| RE17092 | Marcuse | Oct 1928 | |
| 440928 | Schenck | Nov 1890 | |
| 671083 | Hull | Apr 1901 | |
| 834540 | Vandeven | Oct 1906 | |
| 936354 | Proctor et al. | Oct 1909 | |
| 1040845 | Baber | Oct 1912 | |
| 1212068 | Jones et al. | Jan 1917 | |
| 1389003 | Huff | Aug 1921 | |
| 1631776 | Sunday | Jun 1927 | |
| 2152031 | Currier | Mar 1939 | |
| 2272628 | Anderson | Feb 1942 | |
| 3228578 | Waltz | Jan 1966 | |
| 3384280 | Summersby | May 1968 | |
| 3713569 | Dashnier et al. | Jan 1973 | |
| 3731863 | Nausedas | May 1973 | |
| 4085878 | Nausedas | Apr 1978 |
| Number | Date | Country |
|---|---|---|
| 336119 | Jun 1930 | GBX |
| Entry |
|---|
| Exhibit A illustrating "Mailflow Systems, Sorters". |
| Exhibit B photographs illustrating cartridge for cutting table having retainer. |