Environmental control apparatus Trademarks Filed in December 23, 1954
COOL HEAT
Filed: December 23, 1954
AIR CONDITIONING UNITS FOR CONDITIONING AND HEATING OR COOLING AIR
Owned by: MICHIGAN OVEN COMPANY
Serial Number: 71678845
GARD
Filed: December 23, 1954
ROTARY DISTRIBUTOR FOR A TRICKLING FILTER
Owned by: WESTECH ENGINEERING, INC.
Serial Number: 71678861
