Granted Patent
Utility
US 6,491,507 · App. 09/702,387
Apparatus for meltblowing multi-component liquid filaments
Inventor:
Martin A. Allen
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Oct 31, 2000
Inventor
Martin A. Allen
Assignee (at issue)
Nordson Corporation
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.