Bulldozer Patent Drawing Blueprint Vintage 1938 Invention Wall Art Poster
The 1938 bulldozer patent (US2137829A) by Ellsworth W. Austin in crisp blueprint style. A perfect piece for workshops, garages, and engineering fans.
Description
This poster reproduces the original 1938 patent drawing for the bulldozer, credited to inventor Ellsworth W. Austin, patent number US2137829A, dated November 22, 1938. The clean black-on-white technical illustration has an authentic vintage blueprint charm. It is ideal for a garage, workshop, office, or man cave, and a thoughtful gift for engineers, builders, and machinery enthusiasts.









