Granted Patent
Utility
US 5,363,621 · App. 08/012,161
Insulative wall cladding having insulation boards fitting together to form channels
Inventors:
Richard E. Kroll, Vincent Tamburrini, Frederick M. Hansen
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Jan 28, 1993
Inventors
Richard E. Kroll
Vincent Tamburrini
Frederick M. Hansen
Assignee (at issue)
DRYVIT SYSTEMS, 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.