CE

Charles Engelstein

MD Memory Protection Devices: 5 patents #1 of 4Top 25%
📍 New York, NY: #3,938 of 20,192 inventorsTop 20%
🗺 New York: #26,803 of 115,490 inventorsTop 25%
Overall (All Time): #964,574 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11018394 Top loading battery holder Thomas Blaha 2021-05-25
10333116 Top loading battery holder Thomas Blaha 2019-06-25
9192059 Battery holder for printed circuit board Thomas Blaha 2015-11-17
4495257 Horizontal battery holder for cylinder cells David Kassel, Harry Goodman 1985-01-22
4487820 Battery holder for coin cells David Kassel, Harry Goodman 1984-12-11