Patents

Innovation and quality are the bedrock of everything we do at Gentex and we want to make sure our partners, suppliers and everyone in between is continually equipped with the resources, information and tools that they need.

Group Patents

If your HomeLink product features a group patent identification instead of the 8-digit identification number, please select the patent group from the chart below to view the applicable patents.
Locate my patent group

Patent Search

For your reference, the tool below will display the United States patents that cover a specific product when the lot number (located on the back of the mirror or module) is entered into the box below. Locate my lot number

Please note that this tool works for all mirrors manufactured beginning June 2012, and HomeLink products beginning February 2013. For all products manufactured before those dates, the patent information can be found on a label located inside the mirror's housing or on the module. Locate my lot number

HomeLink products are also covered by one or more of the following patents: View Patents
HomeLink® is a registered trademark of Gentex Corporation.