IP Library › Granted Patent US 4,813,632
Granted Patent Utility
US 4,813,632 · App. 07/032,796

Ballast management system for lighter than air craft

Inventor: Geoffrey D. Woodhouse
Patented Case View Patent ↗
Granted: Mar 21, 1989 Filed: Mar 31, 1987
Inventor
Geoffrey D. Woodhouse
Assignee (at issue)
AlliedSignal, Inc.

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Quick Facts
Patent No.
US 4,813,632
App. No.
07/032,796
Filed
1987-03-31
Granted
1989-03-21
Kind
A