Assignee
IRWIN DAVID C
3 granted patents·29 citations·filing 1974–1987
Top patents by PatentIndex Score
3 records- 0149US4229860ACattle skinning process and apparatus thereforIRWIN DAVID C·Filed 1977·Granted Oct 28, 1980·15 cites·2 claims
- 0242US3947355AApparatus and process of separating packing house wasteIRWIN DAVID C·Filed 1974·Granted Mar 30, 1976·11 cites·6 claims
- 0326US4798677AFilterator for separatorIRWIN DAVID C·Filed 1987·Granted Jan 17, 1989·3 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when IRWIN DAVID C 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 →