William A. Ryan
2Patents
0Active
2Granted
23Portfolio score
Filing activity: Apr 25, 1975 → Jan 30, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7556568B2 | Sports equipment swing training apparatus | Human Necessities | 5 | Expired |
| US3968673A | Method and apparatus for producing steel box toes to be used in safety shoes | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.