Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Lewis T Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis Thomas Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Henry M. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis T Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis Thomas Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Henry M. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Henry M. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Lewis T Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis Thomas Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Henry M. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Lewis T. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Henry M. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Perftech, Inc.
Lewis T Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Perftech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis Thomas Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Henry M. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis Thomas Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Henry M. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Henry M. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis Thomas Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Henry M. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Henry M. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Henry M. Donzis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PerfTech, Inc.
Lewis T. Donzis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PerfTech, Inc.
Jonathan E. Schmidt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
PERFTECH, INC.
40 - Treatment of materials
Information
Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
PERFTECH, INC.
40 - Treatment of materials
Information
Trademark
PERFTECH, INC.
40 - Treatment of materials
Information
Trademark
PERFTECH, INC.
40 - Treatment of materials
Information
Trademark
PERFTECH, INC.
40 - Treatment of materials
Information
Trademark
PERFTECH, INC.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
PERFTECH, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
PERFTECH, INC.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
PERFTECH, INC.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
PERFTECH, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
Perftech, Inc.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
PerfTech, Inc.
45 - Legal services
Information
Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
PerfTech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
North Aurora, IL, US
