Jeff Madison

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Wallingford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Furniture with acoustical treatments
- Patent number 12,144,417
- Issue date Nov 19, 2024
- RPG ACOUSTICAL SYSTEMS LLC
- Jeffrey S Madison
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Array of acoustical returner devices to reflect sound back in the i...
- Patent number 10,586,525
- Issue date Mar 10, 2020
- RPG Acoustical Systems, LLC
- Peter D'Antonio
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Combined diffuser-absorber with spaced slats
- Patent number 10,490,179
- Issue date Nov 26, 2019
- RPG Acoustical Systems, LLC
- Peter D'Antonio
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound absorbing panel with wedge-shaped cross-section micro-slits
- Patent number 10,068,563
- Issue date Sep 4, 2018
- RPG ACOUSTICAL SYSTEMS LLC
- Peter D'Antonio
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
FURNITURE WITH ACOUSTICAL TREATMENTS
- Publication number 20230189983
- Publication date Jun 22, 2023
- RPG Acoustical Systems LLC
- Jeffrey S. Madison
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
COMBINED DIFFUSER-ABSORBER WITH SPACED SLATS
- Publication number 20190244596
- Publication date Aug 8, 2019
- RPG Acoustical Systems LLC
- Peter D'Antonio
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SOUND ABSORBING PANEL WITH WEDGE-SHAPED CROSS-SECTION MICRO-SLITS
- Publication number 20180090122
- Publication date Mar 29, 2018
- RPG DIFFUSOR SYSTEMS, INC.
- Peter D'Antonio
- E04 - BUILDING