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)
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:
Assignee:
BOYER ROBERT CHARLES (US)
ANTHONY JAMES MCDONALD (US)
PERKINS GREGORY A (US)
MCGRATH DAVID FRANCIS (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:
US3372076A | 1968-03-05 | |||
US3655224A | 1972-04-11 | |||
US3623339A | 1971-11-30 | |||
US3299417A | 1967-01-17 | |||
US3183022A | 1965-05-11 | |||
US3058861A | 1962-10-16 | |||
US2039781A | 1936-05-05 |
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