Gregg M. Johnstone

📍 New Milford, CT: #234 of 375 inventorsTop 65%

🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%

Overall (All Time): #4,027,865 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4425590	Video cassette recorder	Harry Davies	1984-01-10