Title:
Ramjet propulsion device
United States Patent 2989922
US Patent References:
Ram jet engine having variable area inlets
- - 2540594

Projectile
- - 2624281

Projectile
- - 2691495


Inventors:
Greenwood, Marvin H.
Beckmann, Herbert K.
Publication Date:
06/27/1961
View Patent Images:
Assignee:
Greenwood, Marvin H.
Beckmann, Herbert K.
Primary Class:
Other Classes:
244/3.230, 60/245, 60/767
International Classes:
F02K7/18; F42B15/00; F02K7/00
Foreign References:
GB189614000A
SE122371A
GB669008A
GB669014A