Polysystem Machinery Manufacturing Inc.
3Patents
0Active
3Granted
25Portfolio score
Filing activity: May 4, 1987 → Aug 16, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4830595A | Die-lip heater | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5261805A | Die for extrusion of blown plastic film | Performing Operations; Transporting | 11 | Expired |
| US4842504A | Lip heater for plastic extrusion die | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.