Granted Patent
Utility
US 4,507,913 · App. 06/386,078
Vacuum spinning
Inventor:
Elbert F. Morrison
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Jun 7, 1982
Inventor
Elbert F. Morrison
Assignee (at issue)
Burlington Industries LLC
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.