Granted Patent
Utility
US 5,741,511 · App. 08/627,805
Transdermal drug delivery device for treating erectile dysfunction
Inventors:
Hun Han Lee, Joong Woong Cho, Choul Young Kim, Chaul-Min Pai, Jin Song, Chul-min Park, Hye Jeong Yoon, Yoon Yeo, Jae Seung Paick
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Apr 10, 1996
Inventors
Hun Han Lee
Joong Woong Cho
Choul Young Kim
Chaul-Min Pai
Jin Song
Chul-min Park
Hye Jeong Yoon
Yoon Yeo
Jae Seung Paick
Assignee (at issue)
SAMYANG CORPORATION
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.