Inventor
PLUNKETT MATTHEW G
US3 patents
Patents
3 patentsUS11166513B2Nov 9, 2021
Ratchet mechanism for protective helmet headband
BULLARD CO5 citations69
US11096439B2Aug 24, 2021
Protective helmet headband for accommodating multiple head sizes and/or shapes
BULLARD CO6 citations66
US11134741B2Oct 5, 2021
Protective helmet with a retractable and removable visor
BULLARD CO1 citations53