Assignee
CALLEGARI SR STEPHEN R
US·3 granted patents·103 citations·filing 1985–1987
Top patents by PatentIndex Score
3 records- 0174US4701869APipe measurement, labeling and controlsCALLEGARI SR STEPHEN R·Filed 1985·Granted Oct 20, 1987·41 cites·9 claims
- 0269US4733723AGravel pack assemblyCALLEGARI SR STEPHEN R·Filed 1987·Granted Mar 29, 1988·44 cites·21 claims
- 0352US4753633ASlurry separatorCALLEGARI SR STEPHEN R·Filed 1986·Granted Jun 28, 1988·18 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when CALLEGARI SR STEPHEN R 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 →