June 29th, 1937
Joseph-Armand Bombardier of Canada receives patent for sprocket and track traction system used in snow vehicles. event on June 29, 1937. Read about how to open files in Open File Database.
Events around June 29, 1937
June 29th, 1937 | Event | Joseph-Armand Bombardier of Canada receives patent for sprocket and track traction system used in snow vehicles. |
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