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Patent Searching and Data


Title:
Sandwich bellows construction
Document Type and Number:
WIPO Patent Application WO1997018408
Kind Code:
A3
Inventors:
BOYER ROBERT CHARLES (US)
ANTHONY JAMES MCDONALD (US)
PERKINS GREGORY A (US)
MCGRATH DAVID FRANCIS (US)
Application Number:
PCT/US1996/017118
Publication Date:
September 04, 1997
Filing Date:
November 01, 1996
Export Citation:
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Assignee:
BOYER ROBERT CHARLES (US)
ANTHONY JAMES MCDONALD (US)
PERKINS GREGORY A (US)
MCGRATH DAVID FRANCIS (US)
International Classes:
F16J3/04; (IPC1-7): B21D39/00; F16L11/15
Foreign References:
US3372076A1968-03-05
US3655224A1972-04-11
US3623339A1971-11-30
US3299417A1967-01-17
US3183022A1965-05-11
US3058861A1962-10-16
US2039781A1936-05-05
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