Patent Assignment
Reel/Frame 052257/0756
Assignment of Assignor's Interest
Recorded: 2020-03-30
Pages: 3
Assignor
SALLAS, JOHN J.
Executed: 2020-03-19
Assignee
SERCEL
16 RUE DE BEL-AIR, CARQUEFOU, 44470, FRANCE
Covered Property
(1)
Seismic Vibrator with Adjustable Resonance Frequency