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

David R. Piercy

Overall (All Time): #4,084,133 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4251727 Gas detection 1981-02-17