P
PatentIndex
Search
Landscape
Sign in
Inventor
CRABTREE RONALD E
US
2 patents
Patents
2 patents
US6151909A
Nov 28, 2000
Two spool air cycle machine having concentric shafts
ALLIED SIGNAL INC
69 citations
89
US6070418A
Jun 6, 2000
Single package cascaded turbine environmental control system
ALLIED SIGNAL INC
44 citations
87