ES

Edward F. Schaack

📍 Greenville, SC: #732 of 1,770 inventorsTop 45%
🗺 South Carolina: #5,775 of 15,501 inventorsTop 40%
Overall (All Time): #2,320,988 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4893442 Stairway apparatus and method of manufacture James Graham 1990-01-16
4838005 Stairway apparatus and method of manufacture James Graham 1989-06-13