Michael D. Ray
1Patents
0Active
1Granted
22Portfolio score
Filing activity: Oct 9, 1996 → Oct 9, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5735491A | Method and apparatus for detecting an approaching train by detecting a brake system status signal | Performing Operations; Transporting | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.