Drilldown: Patents
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Patents > Year filed:
1903
& Assigned to
:
Westinghouse Air Spring Company
or
William Woods Plankinton
or
None
& National tech categories
:
USPC 244/3.23
or
USPC 244/30
or
None
& Number of diagram pages:
2 ![](/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)
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Showing below up to 5 results in range #1 to #5.