PH

Peter Kirkwood House

UN Unknown: 1 patents #216 of 2,810Top 8%
📍 Calgary, CA: #45 of 274 inventorsTop 20%
Overall (2004): #139,162 of 270,089Top 55%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6687720 Percentage and average calculator with expanded display Dean Colver, David L. Simmons 2004-02-03