Inventor
HERSICK F JOSEPH
US8 patents
⚠️ This page may combine multiple inventors who share the name “HERSICK F JOSEPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HERSICK F JOSEPH
4 patentsUS8225419B2Jul 24, 2012
Protective helmet
HERSICK F JOSEPH26 citations91
US8539613B2Sep 24, 2013
Protective helmet
HERSICK F JOSEPH10 citations82
US8522418B2Sep 3, 2013
Protective helmets and method of manufacture thereof
HERSICK F JOSEPH2 citations60
US8464362B2Jun 18, 2013
Protective helmets and method of manufacture thereof
HERSICK F JOSEPH3 citations60
MINE SAFETY APPLIANCES CO
4 patentsUS7089603B2Aug 15, 2006
Adjustable headband
MINE SAFETY APPLIANCES CO21 citations90
US7110743B2Sep 19, 2006
Communications device for a protective helmet
MINE SAFETY APPLIANCES CO54 citations89
USRE45459EApr 14, 2015
Protective helmet
MINE SAFETY APPLIANCES CO8 citations81
US7296305B2Nov 20, 2007
Adjustable headband
MINE SAFETY APPLIANCES CO17 citations78