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Patents Grants
last 30 patents
Information
Patent Grant
Radiant energy shielded enclosures
Patent number
4,523,417
Issue date
Jun 18, 1985
International Steel Company
William H. Beastall
E04 - BUILDING
Information
Patent Grant
Operating and speed control mechanism for revolving doors
Patent number
3,968,595
Issue date
Jul 13, 1976
International Steel Company
Amuel E. Sheckells
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
79338343 - STEELCO
Serial number
79338343
Registration number
7349292
Filing date
Feb 11, 2022
INTERNATIONAL STEEL CO. S.p.A.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
79060238 - STEELCO
Serial number
79060238
Registration number
3718754
Filing date
Oct 9, 2008
INTERNATIONAL STEEL CO. S.p.A.
7 - Machines and machine tools
Information
Trademark
72388568 - I
Serial number
72388568
Registration number
927559
Filing date
Apr 7, 1971
INTERNATIONAL STEEL COMPANY
40 - Treatment of materials
Information
Trademark
72387297 - INTERNATIONAL I
Serial number
72387297
Registration number
927558
Filing date
Mar 24, 1971
INTERNATIONAL STEEL COMPANY
40 - Treatment of materials
Information
Trademark
72267433 - REVOLVOMATIC
Serial number
72267433
Registration number
855396
Filing date
Mar 23, 1967
INTERNATIONAL STEEL COMPANY
7 - Machines and machine tools
Information
Trademark
72208685 - ALWAYS OPEN ALWAYS CLOSED
Serial number
72208685
Registration number
799660
Filing date
Dec 22, 1964
INTERNATIONAL STEEL COMPANY
19 - Building materials (non-metallic)
Information
Trademark
72208686 - CONTROLLED AIR ENTRANCE
Serial number
72208686
Registration number
799661
Filing date
Dec 22, 1964
INTERNATIONAL STEEL COMPANY
19 - Building materials (non-metallic)
Information
Trademark
72157704 - INTERNATIONAL SERVICE
Serial number
72157704
Registration number
756554
Filing date
Nov 21, 1962
INTERNATIONAL STEEL COMPANY
40 - Treatment of materials
Information
Trademark
71641930 - INTERNATIONAL SERVICE
Serial number
71641930
Registration number
649881
Filing date
Feb 9, 1953
INTERNATIONAL STEEL COMPANY
42 - Scientific and technological services and research and design relating thereto