Alpha Mail System
3Patents
0Active
3Granted
27Portfolio score
Filing activity: Nov 8, 1985 → Apr 18, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4889397A | Integrated modular portable mail tray delivery system and components | Human Necessities | 26 | Expired |
| US4643306A | Postal tray | Performing Operations; Transporting | 25 | Expired |
| US4936735A | Integrated modular portable mail tray delivery system and components | Human Necessities | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.