Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DB

Darrell Brown — 4 Patents

RARadioshack: 2 patents #12 of 49Top 25%
Martinsville, IN: #27 of 130 inventorsTop 25%
Indiana: #8,632 of 33,936 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Darrell Brown has been granted 4 US patents while listed as an inventor at Radioshack. The first was granted in 2008 and the most recent in October 2019. Darrell Brown ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Darrell Brown in Martinsville, IN, US.

Patents per Year

Patents granted per year, 2008 to 2019Bar chart with a peak of 1 patents in 2008.peak 12008: 1 patents20082014: 1 patents20142015: 1 patents20152019: 1 patents2019

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D861330 Protective cell phone case kit 2019-10-01
D739848 Audio speaker Danny E. Ramirez 2015-09-29
8706273 Apparatus and method for conveying audio signals from an input locus to an output locus Douglas Scott Lane 2014-04-22 $2,111,000
7362008 Electrical interface extension with isolation function 2008-04-22 $24,273,000