IP Library Granted Patent US 5,662,926
Granted Patent Utility
US 5,662,926 · App. 08/426,492

Transdermal patch incorporating a polymer film incorporated with an active agent

Inventors: John J. Wick, Ludwig Weimann, Wayne C. Pollock
Patented Case View Patent ↗
Granted: Sep 2, 1997 Filed: Apr 20, 1995
Inventors
John J. Wick
Ludwig Weimann
Wayne C. Pollock
Assignee (at issue)
Bertek, Inc.

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.

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Quick Facts
Patent No.
US 5,662,926
App. No.
08/426,492
Filed
1995-04-20
Granted
1997-09-02
Kind
A