HH

Hazel Harper

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Washington, DC: #1,086 of 3,063 inventorsTop 40%
🗺 District of Columbia: #1,086 of 3,063 inventorsTop 40%
Overall (All Time): #2,372,382 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4306863 Amalgam dispenser with lockable plugger Franklin E. Law 1981-12-22
4306864 Combination amalgam dispenser and plugger Franklin E. Law 1981-12-22