CONO-45
Filed: September 6, 1968
AIR FILTERS
Owned by: WEHR CORPORATION
Serial Number: 72306830
CONTINENTAL
Filed: June 11, 1971
AIR FILTERS FOR INDUSTRIAL AND COMMERCIAL VENTILATING SYSTEMS
Owned by: WEHR CORPORATION
Serial Number: 72394669
CONTINENTAL
Filed: April 12, 1972
SELF-CLEANING AIR FILTERS EMPLOYING AN OIL BATH AS A CLEANING MEDIUM FOR FILTERING AIR IN CONJUNCTION WITH INDUSTRIAL AND…
Owned by: WEHR CORPORATION
Serial Number: 72421174
DIRTY AIR MAKES ME SICK
Filed: August 6, 1973
AIR FILTERS FOR INDUSTRIAL AND COMMERCIAL VENTILATION SYSTEMS
Owned by: WEHR CORPORATION
Serial Number: 72464901
ENRECO
Filed: October 3, 1977
ROTARY HEAT RECOVERY APPARATUS FOR COMMERCIAL AND INDUSTRIAL USE
Owned by: WEHR CORPORATION
Serial Number: 73143464
ENRECO
Filed: October 3, 1977
ROTARY HEAT RECOVERY APPARATUS FOR COMMEREIAL AND INDUSTRIAL USE
Owned by: WEHR CORPORATION
Serial Number: 73143534
