Patent Assignment
Reel/Frame 043805/0665
Assignment of Assignor's Interest
Recorded: 2017-10-06
Pages: 3
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Root Intrusion Improvements in Irrigation Tubes
Application:
15/546,133 →
Publication:
US 2018/0014478
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.