Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ticket approval methods of performing quality control in underground facility locate and marking operations

Ticket approval methods of performing quality control in underground facility locate and marking operations

US Patent 8478635 · Granted Jul 2, 2013

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for community slot-style gaming2024
Providing on-demand services through use of portable computing devices2021
Systems and methods for community slot-style gaming2021
Providing on-demand services through use of portable computing devices2019
Enabling a user to verify a price change for an on-demand service2019
Cable communication systems and methods employing 256-QAM upstream channels and 2018
Methods and apparatus for quality assessment of a field service operation based 2018
Methods and apparatus for quality assessment of a field service operation based 2018
Methods and apparatus for quality assessment of a field service operation based 2018
Virtual white lines for indicating planned excavation sites on electronic images2017
Virtual white lines for indicating planned excavation sites on electronic images2017
Methods, apparatus, and systems for acquiring an enhanced positive response for 2017