Varitronic Systems, Inc.
🏢 View company profile →18Patents
0Active
18Granted
29Portfolio score
Filing activity: Jan 26, 1984 → Mar 19, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5318370A | Cartridge with data memory system and method regarding same | Performing Operations; Transporting | 258 | Expired |
| US5078523A | Tape cassette with identifying circuit element for printing machine | Performing Operations; Transporting | 184 | Expired |
| US4815871A | Head control apparatus | Performing Operations; Transporting | 128 | Expired |
| US5823689A | Computer system with bi-directional communication and method | Physics | 102 | Expired |
| US5511891A | Tape printing machine with IR sensing | Performing Operations; Transporting | 89 | Expired |
| USD319070S | Cartridge for a printing machine | General | 89 | Expired |
| USD307296S | Printer | General | 80 | Expired |
| US4544289A | Print disk positioning system | Performing Operations; Transporting | 15 | Expired |
| USD283628S | Printing machine | General | 10 | Expired |
| US4548523A | Precision tape feed and guide mechanism | Performing Operations; Transporting | 8 | Expired |
| US4595305A | Ribbon cassette | Performing Operations; Transporting | 7 | Expired |
| USD318484S | Printer | General | 3 | Expired |
| USD314584S | Combined thermal lettering and page layout printer | General | 3 | Expired |
| US4579056A | Printing mechanism | Performing Operations; Transporting | 2 | Expired |
| USD316562S | Tape printing machine | General | 2 | Expired |
| US4683820A | Printing mechanism | Performing Operations; Transporting | 1 | Expired |
| USD319838S | Ribbon cartridge for lettering system | General | 1 | Expired |
| USD290134S | Print disk | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.