1
William E Sullivan: Device for dispensing of volatile substance and method for making the device. Risdon Enterprises, St Onge Steward Johnston & Reens, July 16, 1985: US04529125 (17 worldwide citation)

An improved device for dispensing a volatile substance into the environment includes a reservoir layer, having opposing first and second surfaces, for holding the substance and first and second envelope layers respectively in close proximity to the first surface and the second surface of the reservo ...


2
William E Sullivan, Joseph M Fore: Device for dispensing of volatile substance and method for making the device. Risdon Enterprises, St Onge Steward Johnston & Reens, July 16, 1985: US04529124 (3 worldwide citation)

An improved device for dispensing a volatile substance into the environment includes a reservoir layer, having opposing first and second surfaces, for holding the substance and first and second envelope layers respectively in close proximity to the first surface and the second surface of the reservo ...