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Why It Is OpenA patent resembling cross-laminated timber was developed in the 1920s by Frank J. Walsh and Robert L. Watts in Tacoma, Washington, but many sources instead date the first CLT patent to 1985 in France, and the modern engineered product now used in mass-timber construction was developed independently in Austria through the 1990s. 1 What Would Resolve ThisA verified copy of the 1920s Walsh and Watts patent compared directly against the 1985 French patent to establish whether the earlier filing actually describes cross laminated construction in the sense the modern product uses, or a different technique that later sources conflated with it. 1 Question Kind Question Status Reader Facing Open Question
A patent resembling cross-laminated timber was developed in the 1920s by Frank J. Walsh and Robert L. Watts in Tacoma, Washington, but many sources instead date the first CLT patent to 1985 in France, and the modern engineered product now used in mass-timber construction was developed independently in Austria through the 1990s.
What would resolve this A verified copy of the 1920s Walsh and Watts patent compared directly against the 1985 French patent to establish whether the earlier filing actually describes cross laminated construction in the sense the modern product uses, or a different technique that later sources conflated with it.
OpenCross-Laminated Timber (Wikipedia)
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1. Cross-Laminated Timber (Wikipedia)
Wikimedia FoundationHistory sectionQuote, History section
The first patent resembling CLT was first developed in the 1920s by Frank J. Walsh and Robert L. Watts in Tacoma, Washington. Many sources however, date the first patent back to 1985 when it was patented in France.
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