MARVEL-R 5
Filed: February 11, 1966
FILTER FOR USE ON HYDRAULIC POWER, LOW PRESSURE CIRCULATING AND WATER SYSTEMS
Owned by: MARVEL ENGINEERING COMPANY
Serial Number: 72238649
FILTERSIZOR
Filed: October 20, 1967
DEVICE IN THE NATURE OF A SLIDE RULE FOR USE IN DETERMINING SIZES OF FILTER ELEMENTS IN RELATION TO FLUID FLOW, FLUID TYPE…
Owned by: MARVEL ENGINEERING COMPANY
Serial Number: 72283019
SAFILTMOBILE
Filed: May 21, 1969
PORTABLE FILTERING/TRANSFERRING UNITS FOR USE IN FILTERING THE FLUID OF HYDRAULIC SYSTEMS AND THE LIKE, AND FOR TRANSFERRING…
Owned by: MARVEL ENGINEERING COMPANY
Serial Number: 72327830
PUR-A-SYL
Filed: May 1, 1970
DRINKING WATER FILTERING DEVICE FOR HOME AND INDUSTRIAL USE
Owned by: MARVEL ENGINEERING COMPANY
Serial Number: 72358502
MARVEL PDC COLORGAGE
Filed: August 17, 1970
PRESSURE DIFFERENTIAL INDICATORS FOR USE WITH FLUID FILTERS
Owned by: MARVEL ENGINEERING COMPANY
Serial Number: 72368173
MARVALDAPT
Filed: December 14, 1970
ADAPTORS FOR USE WITH FLUID FILTER HOUSINGS
Owned by: MARVEL ENGINEERING COMPANY
Serial Number: 72378548
