Lighter-than-air solid

Layered Shell Vacuum Balloons
(Patent Application; coauthor – A.V. Gavrilin)
vacuum_balloons_cip (3 MB)

Also available at
United States Patent & Trademark Office
(enter the verification code and then application number 11/517915)

Note: If you cannot open a file, please save it on your computer first and then open it.

Go back to top