Granted Patent
Utility
US 5,196,190 · App. 07/607,128
Synthetic skin substitutes
Inventors:
Avinash Nangia, Cheung-Tak HUNG
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Oct 3, 1990
Inventors
Avinash Nangia
Cheung-Tak HUNG
Assignee (at issue)
Zenith Technology Corporation, Limited
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.