Assignee
POLYSYSTEM MACHINERY MFG
CA·3 granted patents·50 citations·filing 1987–1988
Top patents by PatentIndex Score
3 records- 0162US4830595ADie-lip heaterPOLYSYSTEM MACHINERY MFG·Filed 1987·Granted May 16, 1989·26 cites·1 claims
- 0249US5261805ADie for extrusion of blown plastic filmPOLYSYSTEM MACHINERY MFG·Filed 1988·Granted Nov 16, 1993·17 cites·8 claims
- 0336US4842504ALip heater for plastic extrusion diePOLYSYSTEM MACHINERY MFG·Filed 1988·Granted Jun 27, 1989·7 cites·9 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →