Granted Patent
Utility
US 5,316,462 · App. 08/018,827
Unitary vacuum bag for forming fiber reinforced composite articles
Inventor:
William H. Seemann, III
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Feb 18, 1993
Inventor
William H. Seemann, III
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.