John A. Long
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Apr 8, 1976 → Mar 5, 1984
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4183839A | Polyimide resin-forming composition | Chemistry; Metallurgy | 51 | Expired |
| US4161477A | Polyimide resin-forming composition | Chemistry; Metallurgy | 25 | Expired |
| US4183838A | Polyimide resin-forming composition | Chemistry; Metallurgy | 25 | Expired |
| US4547189A | Insulin syringe injector apparatus with auto-aspirator feature | Human Necessities | 18 | Expired |
| USD284306S | Insulin syringe injector | General | 7 | Expired |
| USD283917S | Insulin syringe injector with auto-aspirator | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.