Addressograph Co
AddressogrActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2002772A | Printing machine | Expired / Lapsed | 1930-11-22 | 1935-05-28 | 0 | Details |
| US1955798A | Printing machine | Expired / Lapsed | 1930-03-07 | 1934-04-24 | 0 | Details |
| US1821108A | Printing device | Expired / Lapsed | 1929-11-01 | 1931-09-01 | 0 | Details |
| US1801078A | Printing device | Expired / Lapsed | 1928-04-26 | 1931-04-14 | 0 | Details |
| US1629033A | Index tab | Expired / Lapsed | 1926-07-10 | 1927-05-17 | 0 | Details |
| US808909A | Index-card. | Expired / Lapsed | 1905-02-13 | 1906-01-02 | 0 | Details |