Granted Patent
Utility
US 6,286,273 · App. 09/593,712
Tile vent
Inventors:
Edward C. Villela, Krishna Srinivasan
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Jun 14, 2000
Inventors
Edward C. Villela
Krishna Srinivasan
Assignee (at issue)
BUILDING MATERIALS INVESTMENT CORPORATION
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.