HA

Howard P. Angstadt

S( Sun Company, Inc. (R&M): 1 patents #7 of 8Top 90%
SH Sun Housing: 1 patents #1 of 8Top 15%
📍 Media, PA: #4 of 25 inventorsTop 20%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #31,474 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5321197 Processes using solid-acid catalyst composition Elmer J. Hollstein, Chao-Yang Hsu 1994-06-14
5310868 Processes using solid-acid catalyst compositions Elmer J. Hollstein, Chao-Yang Hsu 1994-05-10