Patent assignee · ZA · COMPANY

Engineering Management Services Limited

1Patents
0Active
1Granted
19Portfolio score

Filing activity: Jan 21, 1981 → Jan 21, 1981

Most-cited patents

PatentTitleAreaCited byStatus
US4364242A Method of refrigeration and a refrigeration system Mechanical Engineering; Lighting; Heating 4 Expired

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