WR

Walter E. Ratzat

IM Immersion: 3 patents #129 of 258Top 50%
📍 Silver Spring, MD: #497 of 1,812 inventorsTop 30%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,521,886 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9104791 Systems and methods for editing a model of a physical system for a simulation Robert F. Cohen, Mark S. Meents, Kenneth Heyman 2015-08-11
8717852 Apparatus for providing condition-based vibrotactile feedback Robert F. Cohen, Tianning Xu 2014-05-06
8351299 Apparatus and method for providing condition-based vibrotactile feedback Robert F. Cohen, Tianning Xu 2013-01-08