HJ

Hugh Griffith Johnson

📍 Laurel Hollow, NY: #1 of 1 inventorsTop 100%
🗺 New York: #804 of 3,580 inventorsTop 25%
Overall (1982): #57,748 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4360860 Self-contained hand held portable lantern-flashlight consisting of a manually operated generator and rechargeable batteries Burton C. Trattner 1982-11-23