Inventor

BRYANT JOHN W

GB23 patents

⚠️ This page may combine multiple inventors who share the name “BRYANT JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BRYANT JOHN W

3M INNOVATIVE PROPERTIES CO

Flat-folded personal respiratory protection devices and processes for preparing same

Flat-folded personal respiratory protection devices and processes for preparing same

Flat-folded personal respiratory protection devices and processes for preparing same

Flat-folded personal respiratory protection devices and processes for preparing same

Multi-part headband and respirator mask assembly and process for making same

Face mask that has a filtered exhalation valve

Personal respiratory protection device

Flat-folded personal respiratory protection devices and processes for preparing same

Method of making a flat-folded personal respiratory protection device

Processes for preparing flat-folded personal respiratory protection devices

Flat-folded personal respiratory protection devices and processes for preparing same

Personal respiratory protection device having an exhalation valve

Elastomeric composite headband

Respiratory protection mask

Personal respiratory protection device that has a three panelled look

Personal respiratory protection device that has left and right tabs

Flat-folded personal respiratory protection devices and processes for preparing same

Tabs on a personal respiratory protection device

Face mask that has a filtered exhalation valve

MINNESOTA MINING & MFG

Multi-part headband and respirator mask assembly and process for making same

Valve cover

BOSTOCK GRAHAM J

Flat-folded personal respiratory protection devices

BRYANT JOHN W

Audible messaging device for encouraging a patron to employ proper hygiene habits