HA

Harold F. Armstrong

📍 Milford, NH: #4 of 6 inventorsTop 70%
🗺 New Hampshire: #54 of 239 inventorsTop 25%
Overall (1982): #61,551 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4357122 Inserted blade end mill Thomas J. Hollis 1982-11-02