Granted Patent
Utility
US 6,796,429 · App. 10/244,241
Transdermal/transmucosal patch packaging
Inventors:
Brian D. Cameron, Shu Kun Chang, Stacey Chang
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Sep 16, 2002
Inventors
Brian D. Cameron
Shu Kun Chang
Stacey Chang
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.