Granted Patent
Utility
US 5,536,656 · App. 08/193,809
Preparation of tissue equivalents by contraction of a collagen gel layered on a collagen gel
Inventors:
Paul Kemp, Eugene Bell, David Kagan, Valerie Susan MASON, John F. Cavallaro
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Feb 9, 1994
Inventors
Paul Kemp
Eugene Bell
David Kagan
Valerie Susan MASON
John F. Cavallaro
Assignee (at issue)
Organogenesis 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.