Patent assignee · US · COMPANY

Practical Systems, Inc.

2Patents
0Active
2Granted
24Portfolio score

Filing activity: Nov 15, 1976 → Feb 5, 1993

Most-cited patents

PatentTitleAreaCited byStatus
US5384988A Lens surfacing assembly Performing Operations; Transporting 17 Expired
US4041649A Alignment device Performing Operations; Transporting 3 Expired

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