Granted Patent
Utility
US 6,109,139 · App. 09/074,499
Cap removing tool
Inventors:
David J. Regester, W. Mark Barbour
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: May 8, 1998
Inventors
David J. Regester
W. Mark Barbour
Assignee (at issue)
Qualicon
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.