Oregon, Wisconsin
United States
4
2025-02-20
The entities that hold a legal rights for patent applications filed by inventor Roemer Dan:
Dan Roemer from Oregon, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide
#2 | 2024-11-14DIRECTIVITY PATTERN CONTROL WAVEGUIDE FOR A SPEAKER, AND SPEAKER INCLUDING A DIRECTIVITY PATTERN CONTROL WAVEGUIDE
#3 | 2024-07-23Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide
#4 | 2024-07-16Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide
6840476 ⎘