TRUSSGRID
Filed: September 13, 1960
Cellular Core Construction Material
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 72104384
DURA-CORE
Filed: April 22, 1969
ALUMINUM HONEYCOMB CORE FOR USE AS A COMPONENT IN THE MANUFACTURE OF VARIOUS PARTS OF AIRCRAFT AND AEROSPACE VEHICLES
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 72325150
SHAPEGRID
Filed: April 25, 1975
ALUMINUM HONEYCOMB CORE FOR USE AS A COMPONENT IN THE MANUFACTURE OF VARIOUS STRUCTURAL COMPONENTS
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 73050632
HIGRID
Filed: April 25, 1975
ALUMINUM HONEYCOMB CORE FOR USE AS A COMPONENT IN THE MANUFACTURE OF VARIOUS STRUCTURAL COMPONENTS
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 73050633
SPIRALGRID
Filed: September 23, 1975
CELLULAR CORE CONSTRUCTION MATERIAL
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 73063971
PAA-CORE
Filed: November 10, 1986
ALUMINUM HONEYCOMB CORE FOR USE AS COMPONENTS IN THE MANUFACTURE OF VARIOUS PARTS OF AIRCRAFT AND AEROSPACE VEHICLES
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 73629820
PLYGRID
Filed: July 10, 1998
CROSSLAMINATED ALUMINUM HONEYCOMB FOR USE AS COMPONENTS IN THE MANUFACTURE OF VARIOUS STRUCTURAL COMPONENTS
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 75518990
ALCORE
Filed: December 16, 1998
aluminum honeycomb core for use as components in the manufacture of various structural components
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 75606757
ALCORE
Filed: August 20, 1999
custom manufacture of structural core materials
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 75781616
HUSHGRID
Filed: August 27, 2010
Structural components for aircraft that provide sound dampening
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 85117295
STRIKEGRID
Filed: February 22, 2011
lightning dissipator
Owned by: THE GILL CORPORATION -- MARYLAND
Serial Number: 85247916
