Sunnyvale, California
United States
4
2007-02-22
The entities that hold a legal rights for patent applications filed by inventor Overby Johan D.:
Johan D. Overby from Sunnyvale, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for digital detection of electronic markers using frequency adaptation
#2 | 2005-11-10Method for decoupling interference due to bleedover in metallic pipe and cable locators
#3 | 2005-07-21Method and apparatus for digital detection of electronic markers using frequency adaptation
#4 | 2005-05-05Method and apparatus for digital detection of electromagnetic signal strength and signal direction in metallic pipes and cables
4359635 ⎘