|
US2012323212A1
|
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Distributed medication delivery system and method having autonomous delivery devices
|
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US2846213A
|
|
Door control mechanism for refrigerated trucks
|
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US2661227A
|
|
Pivot for chair arms or the like
|
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US2608244A
|
|
Frame construction for chairs or the like
|
|
US2646107A
|
|
Convertible chair
|
|
US2424840A
|
|
Drafting apparatus
|
|
US2331892A
|
|
Beam compass
|
|
US1990494A
|
|
System of making observations and directing gun fire
|
|
US1613244A
|
|
Vending machine
|
|
US970639A
|
|
Box-fastener.
|
|
CA77539A
|
|
Cross-cut saw
|
|
CA12251A
|
|
Improvements on paper shovels
|
|
CA7323A
|
|
Improvements on paper packages
|
|
CA7339A
|
|
Improvements on paper packages
|
|
CA13022A
|
|
Improvements on shovel blades of pulp
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