Inventor
BIELEFELD ERIC
US11 patents
⚠️ This page may combine multiple inventors who share the name “BIELEFELD ERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BULLARD CO
7 patentsUS7213271B1May 8, 2007
Brow pad for the headband of protective headgear
BULLARD CO70 citations97
US7000262B2Feb 21, 2006
Flexible ratchet mechanism for the headband of protective headgear
BULLARD CO133 citations97
US7043772B2May 16, 2006
Ratchet mechanism with unitary knob and pinion construction
BULLARD CO88 citations96
USD479548SSep 9, 2003
Portable thermal imager
BULLARD CO18 citations92
USD472911SApr 8, 2003
Portable thermal imager
BULLARD CO35 citations92
US6609254B2Aug 26, 2003
Protective helmet and method of making same
BULLARD CO30 citations91
US6787775B1Sep 7, 2004
Portable thermal imager with a shock-absorbing lens mount
BULLARD CO32 citations89