Patent Assignment
Reel/Frame 019725/0912
Assignment of Assignor's Interest
Recorded: 2007-08-22
Pages: 6
Assignor
GEARHART, STEPHEN V
Executed: 2007-08-03
Assignee
MUNICIPAL PIPE TOOL CO., INC.
515 5TH STREET, HUDSON, IOWA, 50643
Covered Properties
(4)
Conduit Liner Cutter
Patent:
6,386,797 →
Application:
09/681,161 →
Method for Sealing an Annular Space
Patent:
6,641,688 →
Application:
09/681,417 →
Infiltration Control System and Method
Method for Sealing an Annular Space
Patent:
7,094,308 →
Application:
10/636,413 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.