Anesthesia and respiratory face mask

Information

  • Patent Grant
  • D305166
  • Patent Number
    D305,166
  • Date Filed
    Monday, July 13, 1987
    37 years ago
  • Date Issued
    Tuesday, December 19, 1989
    35 years ago
Abstract
Description
Claims
  • The ornamental design for an anesthesia and respiratory face mask, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D189009 Muller Oct 1960
D258994 Grane Apr 1981
D285496 Berman Sep 1986
D295333 Hartley Apr 1988
3982532 Halldin et al. Sep 1976