Granted Patent
Utility
US 6,180,132 · App. 09/156,547
Hydrogel wound dressing and the method of making and using the same
Inventors:
Yeong Hua Huang, Stephen B. Earhart, William R. Fiehler
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Sep 17, 1998
Inventors
Yeong Hua Huang
Stephen B. Earhart
William R. Fiehler
Assignee (at issue)
SHERWOOD SERVICES AG
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.