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US3943593A
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Disposable rotory brush core for power sweeper
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US3942931A
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Method and apparatus for producing sealing washers
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CA953064A
|
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Street sweeping broom
|
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US3560051A
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Plastic bristle mat and holder for winding on a street sweeping broom
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GB1177119A
|
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Composite Sealing Fastener
|
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GB975240A
|
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Improvements in or relating to fastener assemblies
|
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GB191511021A
|
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Improvements in and connected with Water-heating and Circulating and Cooking Apparatus.
|
|
US1289734A
|
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Hot-water heating apparatus.
|
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US1087759A
|
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Bolt.
|
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GB191223987A
|
|
Improvements in Hot Water Heating Apparatus.
|
|
GB191001964A
|
|
Feed and Distributing Tank to be used in connection with Heating Apparatus.
|
|
CA654053A
|
|
Plastic spring washer and method of making same
|
|
CA829667A
|
|
Composite sealing fastener
|
|
CA643404A
|
|
Plastic washers
|
