Granted Patent
Utility
US 4,284,444 · App. 06/032,593
Activated polymer materials and process for making same
Inventors:
Bruce Bernstein, Seymour Hyman, Ramesh C. Kapoor
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Apr 23, 1979
Inventors
Bruce Bernstein
Seymour Hyman
Ramesh C. Kapoor
Assignee (at issue)
Herculite Protective Fabrics 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.