PROLER INTERNATIONAL CORPORATION Trademarks
PC-ETCH MAINTENANCE
Filed: September 9, 1994
chemical treatment to etch copper
Owned by: PROLER INTERNATIONAL CORPORATION
Serial Number: 74571790
P.C.-ETCH MAKEUP
Filed: September 9, 1994
chemical treatment to etch copper
Owned by: PROLER INTERNATIONAL CORPORATION
Serial Number: 74571791
PC-FLOC
Filed: September 9, 1994
chemical treatment to recover heavy metals from waste water
Owned by: PROLER INTERNATIONAL CORPORATION
Serial Number: 74571792
