FS

Frank E. Robak, Sr.

📍 Omaha, NE: #6 of 43 inventorsTop 15%
🗺 Nebraska: #21 of 171 inventorsTop 15%
Overall (1989): #34,153 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883942 Low voltage heating element for portable tools Andrew H. Robak, Jr. 1989-11-28