AEROPACK
Filed: September 8, 1969
SEWAGE TREATMENT PLANT
Owned by: DRAVO CORPORATION
Serial Number: 72337282
MOBILPACK
Filed: September 8, 1969
PORTABLE SELF-CONTAINED SEWAGE TREATMENT PLANT AND PARTS THEREOF
Owned by: DRAVO CORPORATION
Serial Number: 72337283
CALCILOX
Filed: January 31, 1974
GRANULATED BLAST FURNACE SLAG FOR SLUDGE SLURRY SOLIDIFICATION
Owned by: DRAVO CORPORATION
Serial Number: 73012265
LECTROCLEAR
Filed: March 25, 1977
WASTEWATER TREATMENT SYSTEMS, COMPRISING PRINCIPALLY WASTEWATER TANKS WHEREIN CONTAMINATED WASTEWATER IS ELECTRICALLY DEPOLLUTED…
Owned by: DRAVO CORPORATION
Serial Number: 73120380
DRAVO
Filed: May 31, 1977
TRANSPORTATION OF FREIGHT BY SHIP AND PUBLIC TERMINAL AND WAREHOUSING SERVICES
Owned by: DRAVO CORPORATION
Serial Number: 73128679
DRAVO
Filed: May 31, 1977
INDUSTRIAL MACHINERY AND IMPLEMENTS, PRIME MOVERS, PNEUMATIC AND HYDRAULIC MACHINERY, MACHINES FOR PROCESSING, STACKING…
Owned by: DRAVO CORPORATION
Serial Number: 73128756
DRAVO
Filed: May 31, 1977
INDUSTRIAL AND WASTE WATER TREATMENT UNITS
Owned by: DRAVO CORPORATION
Serial Number: 73128767
DRAVO
Filed: May 31, 1977
TOWBOATS, BARGES AND OTHER BOATS
Owned by: DRAVO CORPORATION
Serial Number: 73128769
DRAVO
Filed: May 31, 1977
BUILDING MATERIALS-NAMELY, SAND, GRAVEL, CONCRETE AND LIME
Owned by: DRAVO CORPORATION
Serial Number: 73128771
DRAVO
Filed: May 31, 1977
FABRICATED PIPING, PRESSURE VESSELS AND METAL GRATING
Owned by: DRAVO CORPORATION
Serial Number: 73128772
TRU-WELD
Filed: October 15, 1979
Metal Stair Treads, Grating and Handrails
Owned by: DRAVO CORPORATION
Serial Number: 73235108
DRAVOCORE
Filed: November 28, 1986
COMPUTER PROGRAMS, NAMELY, UTILITY PROGRAMS AND ROUTINES THAT PROVIDE STANDARD APPLICATION/SYSTEM INTERFACES
Owned by: DRAVO CORPORATION
Serial Number: 73632646
DRAVOPLAN
Filed: November 28, 1986
COMPUTER CONSULTING SERVICES IN THE NATURE OF INFORMATION NEED ANALYSES FOR INDUSTRIAL AND MANUFACTURING CORPORATIONS
Owned by: DRAVO CORPORATION
Serial Number: 73632649
DRAVO VAN HOUTEN
Filed: March 20, 1987
ENGINEERING AND DESIGN SERVICES FOR PORTS, HARBORS AND RELATED FACILITIES
Owned by: DRAVO CORPORATION
Serial Number: 73650516
