Granted Patent
Utility
US 4,429,082 · App. 06/376,329
Film-forming resins containing alkoxy silane groups
Inventors:
Kyu-Wang Lee, John R. Peffer, Robert M. Piccirilli, Wen-Hsuan Chang
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: May 10, 1982
Inventors
Kyu-Wang Lee
John R. Peffer
Robert M. Piccirilli
Wen-Hsuan Chang
Assignee (at issue)
PPG Industries, Inc.
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.