42 engineering services in the fields of aircraft and spacecraft safety analysis, reliability, quality assurance, maintainability, operations, training analysis and in the aerospace and military operations field
The mark consists of a stylized "HEI". H E
Trademark Events
May 20, 2006
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 29, 2001
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.