Richmond
Canada
4
2009-12-17
The entities that hold a legal rights for patent applications filed by inventor Ellens Mark:
Mark Ellens from Richmond, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Photoelastic coating for structural monitoring
#2 | 2009-12-17Monitoring device for detecting stress strain and method for using same
#3 | 2009-12-17Photoelastic layer with integrated polarizer
#4 | 2009-01-01Combined relief valve and check valve
3842278 ⎘