first to patent it (1921) and develop it for incorporation into production street going automobiles by his Berger and Company. He marketed his product as the Cop-Spotter, a means of avoiding being caught speeding by police.

Augmentations and alternatives

Recently, rear-view video cameras have been built into many new model cars, this was partially in response to the rearview mirrors' inability to show the road directly behind the car, due to the rear deck

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