On this day in 1939 George Bernhardt Gelakoski was granted the patent for AIR PURIFIER. U.S. Patent No. 2,176,174.
An important object of the invention is to provide a device of this character having means to draw the air to be treated into the body portion of the device, where the air is treated and exhausted from the device. in a purified or chemically treated condition.
Another object of the invention is to provide means for drawing liquid contained in a tank at the base of the body portion of the device where it is broken into a fine spray, the air passing through the device also passing through the fine spray where it is treated in a manner as described.
A still further object of the invention is to provide a device of this character wherein the operation thereof may be reversed so that the device may be positioned adjacent to the ceiling of a mine to treat the gas which usually collects at the ceiling of the mine.
