HH

Harold O. Hewitt

📍 Calgary, CA: #23 of 156 inventorsTop 15%
Overall (1997): #145,448 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5651202 Expandable display device and sports card holder 1997-07-29