Explore
Challenges
For Business
For Startups
Who We Are
Results
Get Started
Launch a challenge
Connect with talented problem solvers
Solve a challenge
Join our community and win prizes
Log In
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
share
Follow
Following
Unfollow
Ling Chen
share
Follow
Following
Unfollow
Saint Paul, Minnesota, United States
message
more
Challenges
Following
Activity
Awards
Challenges
Submissions
Shade and Seal Solution
We provide a number of material and device design to enable safe, reliable, low cost retrofit solution and will demonstrate at phase 2.
read more...
by
Ling Chen
Following
Activity
Awards
