Granted Patent
Utility
US 4,797,443 · App. 06/728,548
Stabilized vinyl halide resins and compositions and articles made therefrom
Inventors:
Zaev Sharaby, Josef C. Vyvoda
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Apr 29, 1985
Inventors
Zaev Sharaby
Josef C. Vyvoda
Assignee (at issue)
B. F. Goodrich Company
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.