Granted Patent
Utility
US 6,138,442 · App. 09/307,251
Packaging machine with continuous sealing jaw movement
Inventors:
William Stamps Howard, John C. Harston, John A. Messenger
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: May 5, 1999
Inventors
William Stamps Howard
John C. Harston
John A. Messenger
Assignee (at issue)
Kliklok 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.