After 30 second google search turned up wikipedia website and several other sources. We can conclude that Plywood has been made for thousands of years; the earliest known occurence of plywood was in ancient egypt around 3500 BC when wooden articles were made from sawn veneers glued together crosswise.
But Many article has said
" Plywood was invented during the second world war, but it was primarily used to build PT Boats and landing craft for the military. After the war they began using plywood for residential construction and furniture by the end of the 1940's, there was a severege shortage of lumber suitable for making plywood. Particle board was invented in 1950 as a substitute for plywood, but it didn't receive much public attention at first
On more definitive facts
The first patent for what could be called plywood was issued December 26, 1865 belong to John K. Mayo of New York City. In 1905, the city of Portland, Oregon was getting ready to host a World's Fair as part of the 100th anniversary celebration of the lewis and clark Expedition. Severe local businesses were asked to prepare exhibits for the event, including Portland Manufacturing Company, a small wooden box factory in the St. Johns district of the city. Part owner and Plant Manager Gustav Carlson decide to laminate wood panels from a variety of Pacific Northwest softwoods. Using paint brushes as glue spreaders and house jacks as presses, several panels were laid up for display. Called "3-ply veneer work," the product created considerable among interest among fairgoers, including several door, cabinet and trunk manufacturers who then placed orders
IF you stay hungry about plywood history, There's a book by Eric Sloane called "A Reverence for
Wood" that you should check. It's out of print but available through
Amazon or maybe the library. It's a brief study of wood and woodworking
in North America from the early Native Americans to more recent times. A
beautiful piece of Americana.
