Granted Patent
Utility
US 4,469,740 · App. 06/544,500
Foam plastic material with moisture removing properties
Inventor:
Richard L. Bailly
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Oct 24, 1983
Inventor
Richard L. Bailly
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.