Research/Patents/Inventors/DAVID W. JOYNSON
2 classified patentsCareer path — 2 organizations

DAVID W. JOYNSON

HERTFORDSHIRE EN GB · MIDDLESEX GB

Career Trajectory

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

MARCONI COMPANY LIMITED, A BRITISH
MARCONI COMPANY LIMITED

Career Summary

MARCONI COMPANY LIMITED, A BRITISH

1982 · 1 patent

MARCONI COMPANY LIMITED

1989 · 1 patent

MARCONI COMPANY LIMITED, A BRITISH1 patent
MARCONI COMPANY LIMITED1 patent

Summary

Total patents
2
Organizations
2
Active SOs
0
Earliest filing
1982
Latest filing
1989
Back to inventorsSource: USPTO §181 secrecy order records