2 classified patents
FREDERICK C. ALPERS
RIDGECREST CA US
Career Trajectory
Each dot is one patent. X axis = filing year. Y axis = organization.
US Government
US Government2 patents
- CW CONVERTER CIRCUITUS 6133865Filed 1972T3
- CROSS-SWITCHED MICRAD SEEKERUS 5160934Filed 1984T3
Summary
- Total patents
- 2
- Organizations
- 1
- Active SOs
- 0
- Earliest filing
- 1972
- Latest filing
- 1984
Browse Related
Back to inventorsSource: USPTO §181 secrecy order records