Patent Assignment
Reel/Frame 051432/0901
Assignment of Assignor's Interest
Recorded: 2020-01-07
Pages: 3
Assignee
AOYAMA, SHOJI
25-1, WAKAMATSUDAI 3-CHO, MINAMI-KU, SAKAI-SHI, OSAKA, 590-0116, JAPAN
Covered Property
(1)
Electric Resistance Welding Electrode and Method for Maintaining Airtightness