Research/Patents/Inventors/JOHN L. ROBERTS
2 classified patentsCareer path — 2 organizations

JOHN L. ROBERTS

TUCSON AZ US

Career Trajectory

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

HUGHES AIRCRAFT COMPANY, LOS ANGELES,
HUGHES ELECTRONICS CORPORATION

Career Summary

HUGHES AIRCRAFT COMPANY, LOS ANGELES,

1989 · 1 patent

HUGHES ELECTRONICS CORPORATION

1990 · 1 patent

HUGHES AIRCRAFT COMPANY, LOS ANGELES,1 patent
  • BEARING DESIGN WITH SEMI-RHYTHMIC BALL SPACING

    Filed 1989
HUGHES ELECTRONICS CORPORATION1 patent

Summary

Total patents
2
Organizations
2
Active SOs
0
Earliest filing
1989
Latest filing
1990
Back to inventorsSource: USPTO §181 secrecy order records