WiliiamsRDM Patents

WilliamsRDM Virtual Patent Marking

The following WilliamsRDM products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent marking provisions of the America Invents Act. The following list of WilliamsRDM products may not be all inclusive, and other WilliamsRDM products not listed here may be protected by one or more patents.

StoveTop FireStop® Rangehood™ Protected by U.S. Patent 7,472,758. Additional patents pending in the U.S. and elsewhere.

StoveTop FireStop® Microhood™ Protected by U.S. Patent 7,472,758. Additional patents pending in the U.S. and elsewhere.

StoveTop FireStop® Plus™ Protected by U.S. Patent 10,821,311. Additional patents pending in the U.S. and elsewhere.