Research/Patents/Inventors/PATRICK O. CALLAHAN
3 classified patentsCareer path — 2 organizations

PATRICK O. CALLAHAN

LUSBY MD US

Career Trajectory

Each dot is one patent. X axis = filing year. Y axis = organization. Vertical movement indicates career transitions between programs.

US Government
UNITED STATES OF AMERICA AS

Career Summary

US Government

1982 · 2 patents

UNITED STATES OF AMERICA AS

1983 · 1 patent

UNITED STATES OF AMERICA AS1 patent

Summary

Total patents
3
Organizations
2
Active SOs
0
Earliest filing
1982
Latest filing
1983
Back to inventorsSource: USPTO §181 secrecy order records