IP Library Assignment 046231/0588
Patent Assignment
Reel/Frame 046231/0588

Change of Name

Recorded: 2018-05-24 Pages: 4
Assignor
PIEDRA-SOMBRA CORPORATION, INC.
Executed: 2017-01-17
Assignee
STONE AEROSPACE, INC.
3511 CALDWELL LANE, DEL VALLE, TEXAS, 78617
Covered Properties (2)
Direct High Voltage Water Heater
Application: 15/660,941 →
Publication: US 2018/0087804
Thermal High Voltage Ocean Penetrator Research Platform
Application: 62/399,846 →
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 17, 2017
From: STONE, WILLIAM C.
To: STONE AEROSPACE, INC.
Reel/Frame 043323/0043 →
Assignment of Assignor's Interest May 24, 2018
From: HARMAN, JOHN; SMITH, FRED
To: PIEDRA-SOMBRA CORPORATION, INC.
Reel/Frame 045893/0489 →