Butler Greenwich Inc.
6Patents
0Active
6Granted
26Portfolio score
Filing activity: May 30, 1978 → May 12, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4289969A | Radiation imaging apparatus | Electricity | 66 | Expired |
| US4284463A | Web preparation apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4288273A | Method and apparatus for making corrugated board | Performing Operations; Transporting | 17 | Expired |
| US4273045A | Printing machine registration target | Performing Operations; Transporting | 15 | Expired |
| US4290359A | Dampening assembly | Performing Operations; Transporting | 10 | Expired |
| US4227458A | Ink fountain drive mechanism | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.