challenges
For Business
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
challenges
For Business
Who We Are
Results
share
Follow
Following
Unfollow
Felipus
share
Follow
Following
Unfollow
Curitiba, Paraná, Brazil
message
bio
Agronomist Engineer,Electrotechnical
Read More about Evaldo
bio
Agronomist Engineer,Electrotechnical
more
Challenges
Following
Followers
Activity
Awards
Challenges
Submissions
Toilet with two water use options
Marketing a patent is not easy
read more...
by
Felipus
Following
Followers
Activity
Awards
