Inventor
DANG NGUYEN THAI
US17 patents
⚠️ This page may combine multiple inventors who share the name “DANG NGUYEN THAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLDCASTLE PRECAST INC
8 patentsUSD841279SFeb 19, 2019
Subgrade vault
OLDCASTLE PRECAST INC8 citations84
US10132052B2Nov 20, 2018
Utility vault support bar snap feature
OLDCASTLE PRECAST INC10 citations84
US9919853B2Mar 20, 2018
Locking subgrade vault
OLDCASTLE PRECAST INC7 citations84
US9435099B2Sep 6, 2016
Locking subgrade vault
OLDCASTLE PRECAST INC13 citations83
US9346593B2May 24, 2016
Tamper resistant closure mechanism for a utility vault
OLDCASTLE PRECAST INC17 citations83
US10136530B2Nov 20, 2018
Utility vault interlocking lid seat
OLDCASTLE PRECAST INC11 citations79
US10240316B2Mar 26, 2019
Locking subgrade vault
OLDCASTLE PRECAST INC4 citations72
US10197088B2Feb 5, 2019
Tamper resistant closure mechanism for a utility vault
OLDCASTLE PRECAST INC4 citations72