Patent Assignment
Reel/Frame 057459/0586
Assignment of Assignor's Interest
Recorded: 2021-09-13
Pages: 3
Assignor
DRIFKA, BRIAN NORBERT
Executed: 2011-09-08
Assignee
RYTEC CORPORATION
P.O. BOX 403, JACKSON, WISCONSIN, 53037
Covered Property
(1)
Method and Device for Preventing Contamination from a Door Which Opens Vertically
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.