Richard A. Hjulstrom

EI Electro-Films Incorporated: 2 patents #2 of 7Top 30%

📍 Kingston, NY: #195 of 509 inventorsTop 40%

🗺 New York: #48,759 of 115,490 inventorsTop 45%

Overall (All Time): #2,315,533 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5004658	Adjustment of thin film capacitors	—	1991-04-02
4894316	Adjustment of thin film capacitors	—	1990-01-16