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Patent applications and USPTO patent grants for Polstein; Matthew Evan.The latest application filed is for "face guard frame, system and method".
Patent | Date |
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Face Guard Frame, System And Method App 20120210482 - Polstein; Matthew Evan ;   et al. | 2012-08-23 |
Method and device for providing an opening on a head strap on a Baseball or Softball sports protective face mask to permit a person to tie back their hair or wear a ponytail style while properly securing the head strap App 20120159696 - Polstein; Matthew Evan ;   et al. | 2012-06-28 |
Online order, fulfillment, and payment distribution system where a product or service is sold to a customer or end user, and a portion of that sale's revenue or profit is distributed to an independent third party not involved in the sale or fulfillment of the order App 20120158523 - Polstein; Jason Michael ;   et al. | 2012-06-21 |
Method and device of a plate for providing a surface for attachment of a chin pad on a baseball or softball fielders face mask. App 20110225708 - Polstein; Matthew Evan ;   et al. | 2011-09-22 |
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