Patent assignee · US · COMPANY

Marshall Elevator Company

1Patents
1Active
1Granted
42Portfolio score

Filing activity: Oct 30, 2007 → Oct 30, 2007 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7802337B2 Retractable ramp Emerging Cross-Sectional Technologies 14 Active

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