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

Christopher D. Speakman

INInfosight: 1 patents #2 of 4Top 50%
Greenfield, OH: #1 of 1 inventorsTop 100%
Ohio: #1,610 of 5,754 inventorsTop 30%
Overall (2002): #240,266 of 266,432Top 95%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6451421 Laser markable micro-pore aluminum tags and method of their fabrication John A. Robertson, Edward S. O'Neal, Ken R. Vaughn 2002-09-17