Abstract: A lightweight watertight cover that is easily installed and positively secured in place, which provides a reliable seal to prevent flood water from entering openings such as subway ventilation shaft gratings and other porous openings that serve as entry point for flood water.
Type:
Grant
Filed:
October 6, 2014
Date of Patent:
March 21, 2017
Assignee:
ILC COVER LP
Inventors:
David Phillip Cadogan, Daniel James Gleeson, Jonathan Michael Hinkle, Jeffrey Lewis Roushey