LUWA
Filed: August 30, 1951
[ EXHAUST FANS; UNITS COMPRISING A SUPPLY AND RETURN AIR DUCT ] AND AN EXHAUST FAN FOR THE DRAFT-FREE REMOVAL OF ROOM AIR…
Owned by: LUWA AIR ENGINEERING AG
Serial Number: 71618238
CIRCULAIRE
Filed: December 16, 1975
INDUSTRIAL-TYPE OSCILLATING FAN TYPE CLEANING DEVICE FOR AUTOMATIC CLEANING OF CEILINGS, LIGHT FIXTURES, DUCTS AND OVERHEAD…
Owned by: LUWA AIR ENGINEERING AG
Serial Number: 73072022
LUWA
Filed: September 11, 1980
[ SHELTER CLOSING APPARATUS - NAMELY, METAL ARMOURED DOORS, METAL DOOR FRAMES, METAL ARMOURED GATES, METAL PRESSURE RESISTANT…
Owned by: LUWA AIR ENGINEERING AG
Serial Number: 73277554
TRAVCLEAN
Filed: September 9, 1991
industrial pneumatic cleaners; namely, machines consisting of mobile vacuuming and blowing nozzles mounted on a stationary…
Owned by: LUWA AIR ENGINEERING AG
Serial Number: 74202044
LOOMSPHERE
Filed: April 19, 1993
[ industrial cleaning devices for textile machinery; namely, machines consisting of mobile vacuuming and blowing nozzles…
Owned by: LUWA AIR ENGINEERING AG
Serial Number: 74379847
