Granted Patent
Utility
US 6,585,813 · App. 10/210,501
Surface covering building materials resistant to microbial growth staining
Inventors:
Matti Kiik, Michael L. Bryson, Casimir Paul Weaver, Robert Eugene Pine
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Aug 1, 2002
Inventors
Matti Kiik
Michael L. Bryson
Casimir Paul Weaver
Robert Eugene Pine
Assignee (at issue)
Elk Premium Building Products, 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.