Granted Patent
Utility
US 6,265,457 · App. 09/209,827
Isocyanate-based polymer foam and process for production thereof
Inventors:
Inna Dolgopolsky, John A. Duley
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Dec 11, 1998
Inventors
Inna Dolgopolsky
John A. Duley
Assignee (at issue)
Woodbridge Foam Corporation
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.