Peak flow meter
The environmental structure shown with broken lines in the drawings forms no part of the claimed design.
Claims
The ornamental design of a peak flow meter, as shown and described.
5038773 | August 13, 1991 | Norlien |
Type: Grant
Filed: May 19, 2017
Date of Patent: Oct 23, 2018
Assignee: Smart Respiratory Products Ltd (London)
Inventor: Thomas Antalffy (London)
Primary Examiner: Antoine Duval Davis
Application Number: 29/604,714