Granted Patent
Utility
US 6,235,801 · App. 09/285,414
Method of expanding a gel material
Inventors:
Miguel A. Morales, Mark W. Ellsowrth, James A. Rinde, Barry C. Mathews
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Apr 2, 1999
Inventors
Miguel A. Morales
Mark W. Ellsowrth
James A. Rinde
Barry C. Mathews
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.