HS

Harry E. Dice, Sr.

📍 Silver Spring, MD: #19 of 73 inventorsTop 30%
🗺 Maryland: #154 of 841 inventorsTop 20%
Overall (1982): #61,385 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4328692 Booby-trapped lock cylinder with integral intrusion detector George K. C. Hardesty 1982-05-11