ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,665, issued on Feb. 17, was assigned to 2422353 Ontario Ltd. (Hampton, Canada).
"Vacuum oven" was invented by Daniel Gelbart (Vancouver, Canada) and Wayne Ernest Conrad (Hampton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum oven has a furnace chamber provided in a thermally insulated housing and a retort located within the furnace chamber. The retort has an open end and an opposed distal end. The vacuum oven has a door moveable between a closed position in which the open end of the retort is closed and an open position in which the retort is accessible. The door has a thermally insulated outer side and an inner seal which, when the...