Patent assignee · GB · INDIVIDUAL

Robert Patrick Appleton

1Patents
0Active
1Granted
24Portfolio score

Filing activity: Jul 18, 1994 → Jul 18, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US5479988A Mud check valves in drilling apparatus (wells) Emerging Cross-Sectional Technologies 51 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.