Patent assignee · US · INDIVIDUAL

Brenda Johnson

1Patents
1Active
1Granted
38Portfolio score

Filing activity: Nov 23, 2005 → Nov 23, 2005 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7449625B2 Restraint for endpin of a cello or other floor-resting stringed musical instruments Physics 2 Active

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