Russell A. Fretenburg

Follow

Person

North Vancouver, B.C., CA

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for real-time locating
- Patent number 8,334,801
- Issue date Dec 18, 2012
- Ensco, Inc.
- Russell Alan Fretenburg
- G01 - MEASURING TESTING
Information Patent Grant
High-precision radio frequency ranging system
- Patent number 8,314,731
- Issue date Nov 20, 2012
- Ensco, Inc.
- Russell Alan Fretenburg
- G01 - MEASURING TESTING
Information Patent Grant
High-precision radio frequency ranging system
- Patent number 8,199,047
- Issue date Jun 12, 2012
- Ensco, Inc.
- Russell Alan Fretenburg
- G01 - MEASURING TESTING
Information Patent Grant
Distancing and positioning systems and methods
- Patent number 6,744,398
- Issue date Jun 1, 2004
- Derek J. Pyner
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for determining the distance between two locations
- Patent number 6,067,039
- Issue date May 23, 2000
- Pacific Design Engineering (1996 ( Ltd.
- Derek J. Pyner
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
High-Precision Radio Frequency Ranging System
- Publication number 20120133558
- Publication date May 31, 2012
- ENSCO, Inc.
- Russell Alan Fretenburg
- G01 - MEASURING TESTING
Information Patent Application
System and method for real-time locating
- Publication number 20120019413
- Publication date Jan 26, 2012
- ENSCO, Inc.
- Russell Alan Fretenburg
- G01 - MEASURING TESTING
Information Patent Application
High-precision radio frequency ranging system
- Publication number 20110221632
- Publication date Sep 15, 2011
- ENSCO, Inc.
- Russell Alan Fretenburg
- G01 - MEASURING TESTING