Patent assignee · US · INDIVIDUAL

David G. Powell

2Patents
2Active
2Granted
41Portfolio score

Filing activity: Nov 23, 2009 → Mar 23, 2018 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US10759017B2 Glideway crowning plate and method thereof for creating a crown on a cutting edge of a cutting blade with a sharpening jig Performing Operations; Transporting 2 Active
US8529316B2 Sharpening apparatus for plane iron crowning Performing Operations; Transporting 0 Active

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