RN

Robert T. North

IA Inventio Ag: 1 patents #444 of 953Top 50%
Overall (All Time): #3,536,518 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6349813 Escalator roller degradation monitor device Kirk Von Offerman, Melanie J. Smith, Michael Kao, Roger Frazier, William G. Bonitz 2002-02-26