Patent assignee · US · COMPANY

Mechanical Development Co., Inc.

1Patents
0Active
1Granted
21Portfolio score

Filing activity: Dec 13, 1977 → Dec 13, 1977

Most-cited patents

PatentTitleAreaCited byStatus
USRE30198E Cylinder lock General 23 Expired

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