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

David Alan Spencer — 3 Patents

CSCm Systems: 3 patents #2 of 9Top 25%
Culpeper, VA: #19 of 59 inventorsTop 35%
Virginia: #9,471 of 34,511 inventorsTop 30%
Overall (All Time): #1,420,979 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11449810 Food safety management system Douglas Brown Dillard, Robert Bradford Gray, John Ashwell Raymond, Adam Parrott 2022-09-20
11004020 Food safety management system Douglas Brown Dillard, Robert Bradford Gray, John Ashwell Raymond 2021-05-11
9811788 Food safety management system Douglas Brown Dillard, Robert Bradford Gray, John Ashwell Raymond 2017-11-07