PC

Phyllis M. Callahan

📍 Washington, DC: #1,663 of 3,063 inventorsTop 55%
🗺 District of Columbia: #1,663 of 3,063 inventorsTop 55%
Overall (All Time): #4,066,920 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320816 Window perch Emmanuel K. Christian, Josiah W. Christian 1982-03-23