HP

Harold W. Pierce

📍 Ellicott City, MD: #2 of 25 inventorsTop 8%
🗺 Maryland: #47 of 841 inventorsTop 6%
Overall (1982): #13,385 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D266865 Fireplace stove 1982-11-09
4320741 Fireplace heater stove 1982-03-23