Patent Assignment
Reel/Frame 012376/0480
Change of Name
Recorded: 2001-12-26
Pages: 2
Assignor
PROGRESSIVE NETWORKS, INC.
Executed: 1997-09-25
Assignee
REALNETWORKS, INC.
2601 ELLIOT AVENUE, SEATTLE, WASHINGTON, 98121
Covered Property
(1)
Error Mitigation and Correction in the Delivery of on Demand Audio
Patent:
5,917,835 →
Application:
08/631,846 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.