Visifilter Trademarks

VISIFILTER
Machine parts, namely, air filters for vacuum pumps to protect them from soldering fumes during vacuum desoldering operations
Registered  ·  May 23, 2018  ·  87932713  · 
visifilter
VISIFILTER
FILTERS FOR USE IN VACUUM PUMP SYSTEMS
Cancelled  ·  April 13, 1978  ·  73166264  ·