Granted Patent
Utility
US 4,513,045 · App. 06/637,640
Sheet type felt
Inventors:
Alfredo A. Bondoc, Eugene J. Flood, Frederick W. Sieling
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Aug 3, 1984
Inventors
Alfredo A. Bondoc
Eugene J. Flood
Frederick W. Sieling
Assignee (at issue)
GAF 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.