Personal Spirometer

Information

  • Patent Grant
  • D339635
  • Patent Number
    D339,635
  • Date Filed
    Wednesday, July 10, 1991
    33 years ago
  • Date Issued
    Tuesday, September 21, 1993
    31 years ago
Abstract
Description
Claims
  • The ornamental design for a personal spirometer, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D325634 Sweeney, Jr. Apr 1992
D333004 McNamee et al. Feb 1993
4122842 Pikul Oct 1978
4991591 Jones et al. Feb 1991
5137026 Waterson et al. Aug 1992
Foreign Referenced Citations (1)
Number Date Country
2236395 Apr 1991 GBX