First, August 21 is the 100th anniversary of the U.S. Patent Office issuing a patent for cross laminated timber. The patent is below. A lot has happened since then including the ground-breaking work of Gerhard Schickhofer and others which has led to the global mass timber movement we see underway today.
Second, August 31 is the 10th Anniversary since the Saturday evening when USDA and the U.S. Forest Service kicked off a national focus on CLT and other forms of mass timber. Here too, a lot has happened since then. The first publicly-visible part was a White House summit in March of 2014. Moving ahead with that focus was greatly influenced by the work of Michael Green, Andrew Waugh, and Daryl Patterson. Pete Kobelt added some of the perspective that it took confirm we were looking in a direction that would be worthwhile.
View the 1923 Cross Laminated Timber patent:
Download as a PDF: