Granted Patent
Utility
US 6,235,988 · App. 09/322,529
Wall panel assembly
Inventors:
Ronald E. Karst, Edward J. Keil, James M. Buse, Donald E. DeWitt
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: May 28, 1999
Inventors
Ronald E. Karst
Edward J. Keil
James M. Buse
Donald E. DeWitt
Assignee (at issue)
Pent Assemblies, 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.