Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › A flaccid mask with straps and a supporting element that force the mask into sealing engagement with the wearer's face in response to force exerted by the straps on the supporting element

A flaccid mask with straps and a supporting element that force the mask into sealing engagement with the wearer's face in response to force exerted by the straps on the supporting element

US Patent 5353789 · Granted Oct 11, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Respirator device2019
Connection component for a respirator product2006
Breathing valve1998
Breathing mask1997
Respirator mask1992
Respirator mask with easy-to-change respirator filter1992
Air escape filter apparatus1986
Diaphragm for a breath-controlled dosaging valve1981
Readiness receptacle for respirators1981