DF

David Fitzpatrick

BI Britannia Investment: 2 patents #9 of 25Top 40%
DH Dei Headquarters: 1 patents #15 of 36Top 45%
PA Polk Audio: 1 patents #13 of 29Top 45%
📍 Forest Hill, MD: #24 of 105 inventorsTop 25%
🗺 Maryland: #8,004 of 35,612 inventorsTop 25%
Overall (All Time): #1,214,207 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9131311 Canal phones with structure and method for selectively passing or blocking environmental ambient sound and switchable electrical connections Stuart W. Lumsden, Ken S. Chae, Scott Orth 2015-09-08
D621385 Speaker Allen S. Baron, Ken S. Chae, Nicholas A. Mondich, Scott Orth 2010-08-10
7540460 Mounting assembly Scott Orth, Steven Tourison 2009-06-02
D538767 Audio system Ken S. Chae, John D. Crisco, Peter David Gaskarth 2007-03-20