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公开(公告)号:US2504096A
公开(公告)日:1950-04-11
申请号:US75182547
申请日:1947-06-02
Applicant: BELL AIRCRAFT CORP
Inventor: WELLS HAROLD E
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公开(公告)号:US2870791A
公开(公告)日:1959-01-27
申请号:US53796255
申请日:1955-10-03
Applicant: BELL AIRCRAFT CORP
Inventor: WELLS HAROLD E , STRICKLER JR JOHN F
CPC classification number: F15B1/24 , F15B2201/205 , F15B2201/312 , F15B2201/41 , F15B2201/4155 , F15B2201/61 , F16L55/04
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公开(公告)号:US2446149A
公开(公告)日:1948-07-27
申请号:US75539647
申请日:1947-06-18
Applicant: BELL AIRCRAFT CORP
Inventor: WELLS HAROLD E
IPC: B64C25/48
CPC classification number: B64C25/48
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