Invention Grant
- Patent Title: Balloon envelope
- Patent Title (中): 气球信封
-
Application No.: US21787527Application Date: 1927-09-06
-
Publication No.: US1749474APublication Date: 1930-03-04
- Inventor: EDWARDS JUNIUS D
- Applicant: ALUMINUM CO OF AMERICA
- Assignee: Aluminum Co Of America
- Current Assignee: Aluminum Co Of America
- Priority: US21787527 1927-09-06
- Main IPC: B64B1/58
- IPC: B64B1/58
Information query
