ELJEN
Filed: July 26, 1984
GROUND WATER DRAINAGE SYSTEM COMPRISING CORE SHEETS, PLASTIC TUBING AND WATER PERVIOUS ENVELOPE MATERIAL
Owned by: ELJEN CORPORATION
Serial Number: 73491712
GRAVITEE
Filed: July 16, 1985
GROUND WATER DRAINAGE SYSTEM COMPRISING A CORE SHEET AND WATER PERVIOUS ENVELOPE MATERIAL
Owned by: ELJEN CORPORATION
Serial Number: 73548382
XP
Water, wastewater, and sewage drainage and disposal apparatus, comprising core sheets, water previous fabric and connector…
Owned by: ELJEN CORPORATION
Serial Number: 76447857
XPANDABLE
Wastewater Disposal Product
Owned by: ELJEN CORPORATION
Serial Number: 78101614
GSF
Filed: April 13, 2006
Geotextile sand filters for water filtration
Owned by: ELJEN CORPORATION
Serial Number: 78861035
YARD FILTER
Filed: July 27, 2022
A leach field system for dispersal, and disposal of septic tank wastewater through a filtering process comprising of pipes…
Owned by: ELJEN CORPORATION
Serial Number: 97521952
