William John Robert Couchman
1Patents
0Active
1Granted
21Portfolio score
Filing activity: Apr 4, 1979 → Apr 4, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4252104A | Space heaters | Mechanical Engineering; Lighting; Heating | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.