Which two researchers secured a patent for food drying in 1911?

Answer

Earl S. Ewan and Victor E. Williams

Earl S. Ewan and Victor E. Williams were instrumental in the early 20th century, securing a patent in 1911 that utilized vacuum chambers for drying perishable food. This development was a critical milestone in establishing the technical groundwork necessary for controlling the sublimation process commercially.

Which two researchers secured a patent for food drying in 1911?
foodinventiontechnologyfreeze-dryingfood preservation