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2016
|
Invention
|
Reusable top flap envelope with dual opposing seal flaps. Automation-compatible reusable envelope... |
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2012
|
Invention
|
Reusable envelopes. The present invention provides reusable envelope structures and methods of us... |
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2010
|
Invention
|
Reusable envelope structures and methods. The present invention provides reusable envelope struct... |
|
|
Invention
|
Conversion envelopes. The present invention provides an envelope that converts from a larger enve... |
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2006
|
Invention
|
Envelope structures and methods.
The present invention provides envelope structures that can be ... |
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|
Invention
|
Reusable envelope structures and methods. The present invention provides reusable envelope ... |
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2003
|
Invention
|
Environmentally friendly reusable envelope structures. The present invention provides reusable en... |
