Inventor

CHAPMAN JR WILLIAM H

US4 patents

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

SEMI GAS SYSTEMS INC

1 patent

US5152313AOct 6, 1992

Safety apparatus for disconnects and/or valves

SEMI GAS SYSTEMS INC14 citations67

CHOLESTECH CORP

1 patent

US7824879B2Nov 2, 2010

Device and method for measuring LDL-associated cholesterol

CHOLESTECH CORP5 citations54

CHAPMAN JR WILLIAM H

1 patent

US12427456B2Sep 30, 2025

Sorbent indoor air purifier

CHAPMAN JR WILLIAM H0 citations49

VEYOND METAVERSE INC

1 patent

US12400408B2Aug 26, 2025

Extended reality communications environment

VEYOND METAVERSE INC0 citations25