Drilldown: Patents
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- Patents (17580)
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Patents > Year granted:
1912
& Assigned to
:
Magneso Calcite Fire-Proof Company
or
Rubber Balloon Company of America
or
None
& National tech categories
:
DE 77h.5
or
USPC 244/90R
& IPCs
:
IPC B64C11/00
or
None
& CPCs
:
CPC B64C11/00
or
CPC B64C13/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 8 results in range #1 to #8.