Inventor

LOWRY PHILIP L

US4 patents

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

USD CORP

2 patents

US4414973ANov 15, 1983

Respirator face mask

USD CORP453 citations94

USD271246SNov 1, 1983

Combined respirator face piece and strap units

USD CORP32 citations88

SPERIAN RESPIRATORY PROT USA LLC

1 patent

US8006877B2Aug 30, 2011

Backpack for self contained breathing apparatus

SPERIAN RESPIRATORY PROT USA LLC84 citations91

SURVIVAIR RESPIRATORS INC

1 patent

US6966316B2Nov 22, 2005

Clean gas purge for breathing gas regulator

SURVIVAIR RESPIRATORS INC11 citations69