David Toyne

Follow

Person

Tujunga, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flood control system panels for subway entrance
- Patent number 9,315,965
- Issue date Apr 19, 2016
- RSA PROTECTIVE TECHNOLOGIES, LLC
- Richard S. Adler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Removable flood control cover system for underground facility vents...
- Patent number 9,267,252
- Issue date Feb 23, 2016
- RSA PROTECTIVE TECHNOLOGIES, LLC
- Richard S. Adler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING