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CHU Associates, Inc.
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Littleton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ogival cross-section combined microwave waveguide for reflector ant...
Patent number
5,184,144
Issue date
Feb 2, 1993
CHU Associates, Inc.
David M. Thombs
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Telescoping lightweight antenna tower assembly and the like
Patent number
5,101,215
Issue date
Mar 31, 1992
CHU Associates, Inc.
Charles W. Creaser
E04 - BUILDING
Information
Patent Grant
Method of and machine for forming compound curvatures in metal shee...
Patent number
5,086,635
Issue date
Feb 11, 1992
CHU Associates, Inc.
Charles Creaser
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ultra-broadband linearly polarized biconical antenna
Patent number
4,835,542
Issue date
May 30, 1989
CHU Associates, Inc.
Thomas V. Sikina
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lightweight tower assemblies for antennas and the like
Patent number
4,745,412
Issue date
May 17, 1988
CHU Associates, Inc.
Charles W. Creaser
E04 - BUILDING
Information
Patent Grant
Dipole antenna system with overhead coverage having equidirectional...
Patent number
4,598,296
Issue date
Jul 1, 1986
CHU Associates, Inc.
Ivan Faigen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vibration-tolerant whip antenna
Patent number
4,567,487
Issue date
Jan 28, 1986
CHU Associates, Inc.
Charles W. Creaser
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Broadband dipole antenna system with coaxial feed-line coated with...
Patent number
4,218,687
Issue date
Aug 19, 1980
Chu Associates
Ivan Faigen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Broadband dipole antenna system having three collinear radiators
Patent number
4,087,823
Issue date
May 2, 1978
CHU Associates, Inc.
Ivan Faigen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual-frequency circularly polarized spiral antenna for satellite na...
Patent number
4,008,479
Issue date
Feb 15, 1977
CHU Associates, Inc.
Valor Clark Smith
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74085991 - OMNIFORM
Serial number
74085991
Registration number
1649372
Filing date
Aug 8, 1990
Chu Associates, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments