ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,657, issued on Feb. 17, was assigned to VESSL INC. (Tempe, Ariz.).
"Sterile filling method for additive product containers" was invented by Walter D. Apodaca Jr. (Chandler, Ariz.) and Aaron Dale Harris (Gilbert, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sterile filling method for an additive product container defining a product chamber adapted for containing an additive product can include forcing a first gas at a first temperature into the product chamber over a first threshold period to heat the product chamber to a first threshold temperature, such as to sterilize the product chamber. The sterile filling method can further include di...