Granted Patent
Utility
US 4,534,145 · App. 06/516,618
Attachment device for securing flexible sheets
Inventors:
James H. C. Yang, Walter Tomaszewski, Heinz W. Beneze
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Jul 25, 1983
Inventors
James H. C. Yang
Walter Tomaszewski
Heinz W. Beneze
Assignee (at issue)
The Firestone Tire & Rubber 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.