(19)
(11) EP 0 086 232 A1

(12)

(43) Date of publication:
24.08.1983 Bulletin 1983/34

(21) Application number: 82903007.0

(22) Date of filing: 26.08.1982
(51) International Patent Classification (IPC): 
A41D 13/ 11( . )
 A62B 18/ 04( . )
(86) International application number:
PCT/US1982/001164
(87) International publication number:
WO 1983/000632 (03.03.1983 Gazette 1983/06)
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 27.08.1981 US 19810297010

(71) Applicants:
  • VAUGHAN, Kenneth V.
    Mt. Airy, MD 21771 (US)
  • WIGGINS, James R.
    Gaithersburg, MD 20878 (US)

(72) Inventors:
  • VAUGHAN, Kenneth V.
    Mt. Airy, MD 21771 (US)
  • WIGGINS, James R.
    Gaithersburg, MD 20878 (US)

   


(54) IMPROVEMENT IN RESPIRATORY DEVICESIMPROVEMENT IN RESPIRATORY DEVICES