Patent assignee · US · COMPANY

Keyboard Advances, Inc.

1Patents
0Active
1Granted
21Portfolio score

Filing activity: Apr 14, 1989 → Apr 14, 1989

Most-cited patents

PatentTitleAreaCited byStatus
US5143462A Ergonomically effective backspacing method Electricity 9 Expired

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