Colin L. Robson

Follow

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for automatic depth control for earth moving and grading
- Patent number 5,235,511
- Issue date Aug 10, 1993
- Spectra-Physics, Inc.
- Christopher O. Middleton
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for automatic depth control for earth moving and grading
- Patent number 5,184,293
- Issue date Feb 2, 1993
- Spectra Physics
- Christopher O. Middleton
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for automatic position control of a tool
- Patent number 4,924,374
- Issue date May 8, 1990
- Spectra-Physics
- Christohper O. Middleton
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for automatic depth control for earth moving and grading
- Patent number 4,918,608
- Issue date Apr 17, 1990
- Christopher O. Middleton
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for automatic depth control for earth moving and grading
- Patent number 4,914,593
- Issue date Apr 3, 1990
- Spectra-Physics
- Christopher O. Middleton
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING