Granted Patent
Utility
US 4,495,119 · App. 06/397,376
Method for producing homogeneous batts of air-laid fibers
Inventor:
Raymond T. Chung
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Jul 12, 1982
Inventor
Raymond T. Chung
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.