Granted Patent
Utility
US 6,830,799 · App. 09/696,854
Expandable compositions and methods of making and using the compositions
Inventors:
Gary R. Duffin, Michael Lupini, Donald Taylor, Peter Tkacz
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 26, 2000
Inventors
Gary R. Duffin
Michael Lupini
Donald Taylor
Peter Tkacz
Assignee (at issue)
Orbseal 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.