Granted Patent
Utility
US 6,015,343 · App. 09/204,438
Tile roof vent
Inventors:
Richard Castillo, Ravinder Nair, Krishna Srinivasan, Edward C. Villela
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Dec 2, 1998
Inventors
Richard Castillo
Ravinder Nair
Krishna Srinivasan
Edward C. Villela
Assignee (at issue)
Building Materials Corporation of America
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.