Inventor
BERNS HARALD
DE13 patents
⚠️ This page may combine multiple inventors who share the name “BERNS HARALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEERMANN KG MARTOR ARGENTAX
7 patentsUS6233832B1May 22, 2001
Razor knife with retractable and latchable blade guard
BEERMANN KG MARTOR ARGENTAX83 citations97
US6148520ANov 21, 2000
Box cutter with autoretracting blade
BEERMANN KG MARTOR ARGENTAX86 citations95
US6070326AJun 6, 2000
Razor knife with retractable blade guard
BEERMANN KG MARTOR ARGENTAX84 citations95
US5617635AApr 8, 1997
Autoretracting box-cutting knife
BEERMANN KG MARTOR ARGENTAX84 citations95
US6532670B1Mar 18, 2003
Utility knife with screw-down pivotal blade clamp
BEERMANN KG MARTOR ARGENTAX45 citations92
US5647132AJul 15, 1997
Deburring knife with replaceable blade
BEERMANN KG MARTOR ARGENTAX24 citations92
US5598634AFeb 4, 1997
Deburring knife with adjustable handle
BEERMANN KG MARTOR ARGENTAX40 citations92