| 12144417 |
Furniture with acoustical treatments |
Jeffrey S. Madison |
2024-11-19 |
| 10586525 |
Array of acoustical returner devices to reflect sound back in the incident direction |
Jeffrey S. Madison |
2020-03-10 |
| 10512888 |
Multiple identification point automated parameter assurance method |
Dean Pighin, Richard Krmit Bergs, Donald Robert Beers |
2019-12-24 |
| 10490179 |
Combined diffuser-absorber with spaced slats |
Jeffrey S. Madison |
2019-11-26 |
| 10475436 |
Hexagonal 2-dimensional reflection phase grating diffuser |
Wesley Dean Lachot |
2019-11-12 |
| 10068563 |
Sound absorbing panel with wedge-shaped cross-section micro-slits |
Jeff Madison |
2018-09-04 |
| 9508334 |
Acoustical treatment with transition from absorption to diffusion and method of making |
— |
2016-11-29 |
| 8967823 |
Combination light diffuser and acoustical treatment and listening room including such fixtures |
— |
2015-03-03 |
| 7428948 |
Hybrid amplitude-phase grating diffusers |
Trevor Cox |
2008-09-30 |
| 7322441 |
Extended bandwidth folded well diffusor |
Trevor Cox |
2008-01-29 |
| 6772859 |
Embodiments of aperiodic tiling of a single asymmetric diffusive base shape |
Trevor Cox |
2004-08-10 |
| 6431312 |
Motorized and computer operated variable acoustics treatment |
— |
2002-08-13 |
| 6112852 |
Acoustical treatments with diffusive and absorptive properties and process of design |
Trevor Cox |
2000-09-05 |
| 5817992 |
Planar binary amplitude diffusor |
— |
1998-10-06 |
| 5787656 |
Acoustical seating risers for indoor arenas |
— |
1998-08-04 |
| 5665943 |
Nestable sound absorbing foam with reduced area of attachment |
— |
1997-09-09 |
| 5401921 |
Two-dimensional primitive root diffusor |
John H. Konnert |
1995-03-28 |
| 5226267 |
Acoustical diffusing and absorbing cinder blocks |
John H. Konnert, Jorge Pardo |
1993-07-13 |
| 5193318 |
Acoustical diffusing and absorbing cinder blocks |
John H. Konnert |
1993-03-16 |
| 5168129 |
Variable acoustics modular performance shell |
— |
1992-12-01 |
| 5027920 |
Cinder block modular diffusor |
John H. Konnert |
1991-07-02 |
| 4964486 |
Cinder block modular diffusor |
John H. Konnert |
1990-10-23 |
| D306764 |
Acoustical baffle |
John H. Konnert |
1990-03-20 |
| 4821839 |
Sound absorbing diffusor |
John H. Konnert |
1989-04-18 |
| D291601 |
Acoustical baffle |
John H. Konnert |
1987-08-25 |