4 classified patents
FRANCIS J. MURPHREE
SUNNYSIDE FL US
Career Trajectory
Each dot is one patent. X axis = filing year. Y axis = organization.
4 patents
- SONAR SYSTEMUS 4939698Filed 1966
- METHOD AND MEANS FOR INCREASING ECHO-RANGING-SEARCH RATEUS 4949314Filed 1966
- SONAR SYSTEMUS 4939699Filed 1966
- SONAR TARGET SIMULATIONUS 5949738Filed 1972
Summary
- Total patents
- 4
- Organizations
- 1
- Active SOs
- 0
- Earliest filing
- 1966
- Latest filing
- 1972
Browse Related
Back to inventorsSource: USPTO §181 secrecy order records