Assignee
BARRETT MACHINE WORKS
US·3 granted patents·37 citations·filing 1984–1986
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0152US4750570AFormation sampling bullet and cables thereforBARRETT MACHINE WORKS·Filed 1986·Granted Jun 14, 1988·29 cites·16 claims
- 0225US4702327ACore sample taking bullet constructionBARRETT MACHINE WORKS·Filed 1984·Granted Oct 27, 1987·5 cites·25 claims
- 0323US4569403AFormation sampling bulletBARRETT MACHINE WORKS·Filed 1984·Granted Feb 11, 1986·3 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when BARRETT MACHINE WORKS 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 →