Fluid-tight slide fastener
United States Patent 3389441
US Patent References:
Watertight slide fastener
- - 2557163
Double slide fastener sealing closures
- - 2753609
Fluid-tight fastener and closure
- - 2978770
Flexible protective covering sheet material
- - 3035956
Watertight slide fastener
- - 2557163
Double slide fastener sealing closures
- - 2753609
Fluid-tight fastener and closure
- - 2978770
Flexible protective covering sheet material
- - 3035956
Inventors:
Helmut, Heimberger
Publication Date:
06/25/1968
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Export Citation:
Assignee:
Opti, Holding A. G. FA.
Primary Class:
International Classes:
A44B19/32; B29D5/00; A44B19/24
Foreign References:
| GB521275A |