FH

Frederick C. Hallberg

NASA: 3 patents #448 of 3,881Top 15%
📍 Wheaton, MD: #23 of 97 inventorsTop 25%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,681,671 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4448406 Workpiece positioning vise Clyde J. Morgan 1984-05-15
4343287 Crystal cleaving machine John S. J. Benedicto 1982-08-10
4184472 Method and apparatus for slicing crystals John S. J. Benedicto, Bruce E. Woodgate 1980-01-22