This is pretty neat, the first patented Smokeless non-tobacco cigarette in 1965 by Herbert A. Gilbert looks pretty much like some of the ones out today
Patent US 3200819 A
But Joseph Robinson filed a patent for the first personal Electric vaporizer in 1927.
Patent US 1775947 A
Patent US 3200819 A
But Joseph Robinson filed a patent for the first personal Electric vaporizer in 1927.
Patent US 1775947 A