DC

Douglas Christiansen

UN Unknown: 3 patents #7,366 of 83,584Top 9%
IN Intermedia.Net: 2 patents #8 of 18Top 45%
Overall (All Time): #795,968 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11973902 System for cloud-enabling a premise PBX Daniel Klein, Maria Ruinskaya, Anatoly Kanashin 2024-04-30
11622046 System for cloud-enabling a premise PBX Daniel Klein, Maria Ruinskaya, Anatoly Kanashin 2023-04-04
9568308 Multi-instrument calibration standard 2017-02-14
8602394 Winching apparatus 2013-12-10
8438745 Pass/fail tape measure calibrator 2013-05-14
8024867 Tape measure calibrator 2011-09-27