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Personal Spirometer

  • US D339,635 S
  • Filed: 07/10/1991
  • Issued: 09/21/1993
  • Est. Priority Date: 07/10/1991
  • Status: Expired due to Term
First Claim
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1. The ornamental design for a personal spirometer, as shown and described.

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  • 6 Assignments
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