Individual holder
HARTMAN JOHN F
3 granted patents·43 citations·filing 1985–1985
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0157US4697838ARobot gripping jaw operatorHARTMAN JOHN F·Filed 1985·Granted Oct 6, 1987·28 cites·30 claims
- 0233US4662813AMechanism for rotating a robot arm on an axisHARTMAN JOHN F·Filed 1985·Granted May 5, 1987·8 cites·24 claims
- 0331US4688985ARotary mechanism for robot armsHARTMAN JOHN F·Filed 1985·Granted Aug 25, 1987·7 cites·33 claims
Join the waitlist — get patent alerts
Get an alert when HARTMAN JOHN F files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →