Thingiverse
First Traffic Cone
por ozans
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Makes
Scanlon's Traffic Cone
I took first traffic cone which was invented in 1941 and patented in 1943 as reference.
You can find the patent document's link below.
https://patentimages.storage.googleapis.com/f7/c8/e3/be592aca145cd2/US2333273.pdf
I took first traffic cone which was invented in 1941 and patented in 1943 as reference.
You can find the patent document's link below.
https://patentimages.storage.googleapis.com/f7/c8/e3/be592aca145cd2/US2333273.pdf
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