Granted Patent
Utility
US 6,547,553 · App. 09/832,547
Core for use in injection molding plastic articles
Inventors:
Michael Koch, Robert D. Schad, Laura Lee Martin, James D. Sykes, Dan Stracovsky, Bruce Catoen
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Apr 11, 2001
Inventors
Michael Koch
Robert D. Schad
Laura Lee Martin
James D. Sykes
Dan Stracovsky
Bruce Catoen
Assignee (at issue)
Husky Injection Molding Systems Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.