-
the concept of aerosol cans
-
invented a soda siphon incorporating a valve.
-
Metal spray cans were being tested
-
inventors Helbling and Pertsch patented aerosols pressurized using methyl and ethyl chloride as propellants.
-
Norwegian engineer Erik Rotheim (also spelled Eric Rotheim) patented the first aerosol can and valve that could hold and dispense products and propellant systems.
-
Lyle Goodhue and William Sullivan, developed a small aerosol can pressurized by a liquefied gas (a fluorocarbon)
-
the Norwegian post office issued a stamp celebrating the Norwegian invention of the spray can.