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Technical Information
Performance Standard


Endura Products, Inc. spends significant time and resources inventing and researching every year, and our patents represent that investment.  Endura files numerous patent applications and has established an industry-leading patent portfolio as part of our commitment to protect the innovations that set us apart in our industries. 

In accordance with Section 287(a) of Title 35 of the United States Code, the reader is hereby placed on notice of Endura's rights in the United States Patents listed on this site and associated with the following products.

Astragals – Ultimate: US 6,491,326; 8,157,298; 8,157,299; 9,097,043; 9,404,294; Canada 2,342,941; 2,693,833

Astragals – Wood: US 7,140,154

Frames – FrameSaver: Canada 2,288,733

Magnum Flush Bolt: US 6,666,486

Sills – Accessible: US 6,289,635

Sills - Z-Series: US 7,350,336; 8,413,383; 8,490,332; 8,522,483; 8,567,128; 8,739,469; 8,991,100; 8,991,101; 9,051,777; 9,371,682; 9,528,314; D632,556; D638,142; D638,143; D638,958; D701,323; D713,976; D722,387; D722,388; D733,926; D733,927; D775,368; Canada 2,753,768; 2,754,367; 2,771,705; 2,802,355; 2,842,214; D139,250

Weatherseals: US 9,428,954; D571,932; D599,490; Canada D165,013; D165,014

Additional patent applications pending.

Rev 12/27/2016