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Patents Grants
last 30 patents
Information
Patent Grant
Flow controlled sound generation apparatus
Patent number
11,893,974
Issue date
Feb 6, 2024
Deftio LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Flow controlled sound generation apparatus
Patent number
11,282,488
Issue date
Mar 22, 2022
Deftio LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Flow controlled sound generation apparatus
Patent number
10,679,597
Issue date
Jun 9, 2020
Deftio LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Flow controlled sound generation apparatus
Patent number
9,818,391
Issue date
Nov 14, 2017
Deftio LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
FLOW CONTROLLED SOUND GENERATION APPARATUS
Publication number
20240257791
Publication date
Aug 1, 2024
DeftIO LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
FLOW CONTROLLED SOUND GENERATION APPARATUS
Publication number
20220262334
Publication date
Aug 18, 2022
DeftIO LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
BEEHIVE PROTECTION DEVICE AND DATA COLLECTION APPARATUS
Publication number
20210400926
Publication date
Dec 30, 2021
DeftIO LLC
Manjirnath Chatterjee
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
FLOW CONTROLLED SOUND GENERATION APPARATUS
Publication number
20200365131
Publication date
Nov 19, 2020
DeftIO LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
FLOW CONTROLLED SOUND GENERATION APPARATUS
Publication number
20180158443
Publication date
Jun 7, 2018
DeftIO LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
POTABLE WATER MAKING APPARATUS FOR PERSONAL USE
Publication number
20170282121
Publication date
Oct 5, 2017
DeftIO LLC
Manjirnath Chatterjee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FLOW CONTROLLED SOUND GENERATION APPARATUS
Publication number
20140182965
Publication date
Jul 3, 2014
DeftIO LLC
Manjirnath Chatterjee
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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