Eugene J. Seagriff

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Edison, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Noise cancellation using segmented, frequency-dependent phase cance...
- Patent number 11,610,573
- Issue date Mar 21, 2023
- Silencer Devices, LLC.
- Eugene Seagriff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise cancellation with improved frequency resolution
- Patent number 11,322,127
- Issue date May 3, 2022
- Silencer Devices, LLC.
- Eugene Seagriff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise cancellation using segmented, frequency-dependent phase cance...
- Patent number 11,200,878
- Issue date Dec 14, 2021
- Silencer Devices, LLC.
- Eugene Seagriff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise cancellation using segmented, frequency-dependent phase cance...
- Patent number 10,720,139
- Issue date Jul 21, 2020
- Silencer Devices, LLC.
- Eugene Seagriff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable device for enhanced security and accessibility
- Patent number 7,249,025
- Issue date Jul 24, 2007
- Matsushita Electric Industrial Co., Ltd.
- Jean-Claude Junqua
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Noise Cancellation Using Segmented, Frequency-Dependent Phase Cance...
- Publication number 20220068252
- Publication date Mar 3, 2022
- Silencer Devices, LLC
- Eugene Seagriff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NOISE CANCELLATION WITH IMPROVED FREQUENCY RESOLUTION
- Publication number 20210020155
- Publication date Jan 21, 2021
- Silencer Devices, LLC
- Eugene SEAGRIFF
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
NOISE CANCELLATION WITH IMPROVED FREQUENCY RESOLUTION
- Publication number 20210020154
- Publication date Jan 21, 2021
- Silencer Devices, LLC
- Eugene SEAGRIFF
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Noise Cancellation Using Segmented, Frequency-Dependent Phase Cance...
- Publication number 20200342845
- Publication date Oct 29, 2020
- Silencer Devices, LLC
- Eugene Seagriff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Noise Cancellation Using Segmented, Frequency-Dependent Phase Cance...
- Publication number 20180226064
- Publication date Aug 9, 2018
- Silencer Devices, LLC
- Eugene Seagriff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable device for enhanced security and accessibility
- Publication number 20040225504
- Publication date Nov 11, 2004
- Jean-Claude Junqua
- G06 - COMPUTING CALCULATING COUNTING