Inventor
PENNINGTON DAVID
US7 patents
⚠️ This page may combine multiple inventors who share the name “PENNINGTON DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN STEVEN E
4 patentsUS8194932B2Jun 5, 2012
Ticket approval system for and method of performing quality control in field service applications
NIELSEN STEVEN E65 citations97
US8478635B2Jul 2, 2013
Ticket approval methods of performing quality control in underground facility locate and marking operations
NIELSEN STEVEN E19 citations92
US9659268B2May 23, 2017
Ticket approval system for and method of performing quality control in field service applications
NIELSEN STEVEN E2 citations72
US9916588B2Mar 13, 2018
Methods and apparatus for quality assessment of a field service operation based on dynamic assessment parameters
NIELSEN STEVEN E2 citations62