Inventor

HEWELT HELMUT

US3 patents

⚠️ This page may combine multiple inventors who share the name “HEWELT HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VARTA MICROBATTERY GMBH

2 patents

US6889840B2May 10, 2005

Sale and storage packaging for zinc-air cells

VARTA MICROBATTERY GMBH33 citations84

US6953117B2Oct 11, 2005

Sales packaging for electric storage batteries

VARTA MICROBATTERY GMBH5 citations52

VARTA BATTERIE

1 patent

US5203455AApr 20, 1993

Package for zinc-air batteries

VARTA BATTERIE61 citations88