Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

Douglas H. Callison — 1 Patent in 2021

RBRain Bird: 1 patents #14 of 57Top 25%
Winchester, CA: #4 of 8 inventorsTop 50%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #472,323 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11083146 Method and apparatus for programming a decoder-based irrigation controller Jonathan I. Marsters, Harvey J. Nickerson, Sundarraj Karthikeyan, Steven A. Hollington, Darin K. Price 2021-08-10