Granted Patent
Utility
US 6,048,421 · App. 09/087,446
Automatic lid forming machine
Inventor:
Michael A. White
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: May 29, 1998
Inventor
Michael A. White
Assignee (at issue)
Delaware Capital Formation, Inc.
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.