Inventor
SYVERTSEN MARC L
US6 patents
⚠️ This page may combine multiple inventors who share the name “SYVERTSEN MARC L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROVCAL INC
3 patentsUS6938775B2Sep 6, 2005
Button cell battery pack with air access channel
ROVCAL INC7 citations67
US7651814B2Jan 26, 2010
Electrochemical cell having improved radial seal
ROVCAL INC2 citations57
US8003251B2Aug 23, 2011
Electrochemical cell grommet having a sidewall with a nonuniform thickness
ROVCAL INC1 citations41