HH

Hans U. Hjermstad

📍 Chicago, IL: #7,538 of 13,327 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
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1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4286193 Starting and operating circuit for gas discharge lamp Ralph W. King, Jr. 1981-08-25