John T. Mathewson
1Patents
0Active
1Granted
20Portfolio score
Filing activity: Mar 13, 1989 → Mar 13, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4903895A | Snow making nozzle assembly | Mechanical Engineering; Lighting; Heating | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.