Drilldown: Patents
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Patents > Inventor country:
ES
& Assigned to
:
Albert L. Watters
or
None
& IPCs
:
IPC B64B1/40
or
IPC B64C25/60
or
IPC B64C33/00
or
None
& Family year:
1900 ![](/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)
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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)
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.