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QSI Systems, Inc.
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West Newton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Video-camera synchronizing system
Patent number
4,670,786
Issue date
Jun 2, 1987
QSI Systems, Inc.
Charles E. Ricciardi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sequential video switching system
Patent number
4,051,524
Issue date
Sep 27, 1977
QSI Systems, Inc.
Larry K. Baxter
G08 - SIGNALLING
Information
Patent Grant
Switched video recording system
Patent number
4,001,881
Issue date
Jan 4, 1977
QSI Systems, Inc.
David A. Folsom
G08 - SIGNALLING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
78507494 - QSI
Serial number
78507494
Registration number
3037916
Filing date
Oct 28, 2004
QSI Systems, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75939892 - TIME CAPSULE
Serial number
75939892
Registration number
2518613
Filing date
Mar 9, 2000
QSI Systems, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75784915 - GRAPHEX
Serial number
75784915
Registration number
2579390
Filing date
Aug 26, 1999
QSI Systems, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74574128 - WE'VE IDENTIFIED THE WORLD!
Serial number
74574128
Registration number
1919466
Filing date
Sep 15, 1994
QSI Systems, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72447623 - QSI
Serial number
72447623
Registration number
994593
Filing date
Feb 2, 1973
QSI SYSTEMS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments