HT

Howard S. Thornhill

📍 Willowdale, CA: #105 of 211 inventorsTop 50%
Overall (All Time): #4,009,681 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4497608 Monument foundation digger Roy J. P. Sheppard, Mark Francis 1985-02-05