Drilldown: Patents
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Patents > Application number:
None
& Granted:
Yes
& Assigned to
:
John A. Roebling's Sons
or
None
& National tech categories
:
DE 77
or
FR 5.8
& Number of text pages:
1
& Number of claims:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 12 results in range #1 to #12.