33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
2283575
191886
1
Public Timelines
FAQ

apr 1, 2011 - Counterpoise Patent Filed

Added to timeline:

4 Dec 2018
0
0
358

Date:

apr 1, 2011
Now
~ 14 years ago