Assignee
DRAY SR ROBERT F
2 granted patents·1 pending application·10 citations·filing 2002–2023
Top patents by PatentIndex Score
3 records- 0182US10350809B2Plastic processing screwDRAY SR ROBERT F·Filed 2016·Granted Jul 16, 2019·2 cites·19 claims
- 0267US6988821B2Plastics screw with barrier membersDRAY SR ROBERT F·Filed 2002·Granted Jan 24, 2006·8 cites·10 claims
- 0358US2024351258A1Injection molding apparatusDRAY SR ROBERT F·Filed 2023·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when DRAY SR ROBERT 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 →