Circle Systems Inc.

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Oakland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Private application platform
- Patent number 11,924,171
- Issue date Mar 5, 2024
- Circle Systems Inc.
- Robert Harry Stutch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Card with magnetic stripe and method for testing magnetic inspectio...
- Patent number 6,310,471
- Issue date Oct 30, 2001
- Circle Systems, Inc.
- William C. Chedister
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
78048183 - XLS EXPRESS
- Serial number 78048183
- Registration number 2599608
- Filing date Feb 13, 2001
- Circle Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73719560 - ROUNDTRIP
- Serial number 73719560
- Registration number 1509123
- Filing date Mar 29, 1988
- CIRCLE SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments