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Inventor

LUDWIG ROBERT

US7 patents
⚠️ This page may combine multiple inventors who share the name “LUDWIG ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DELTA LOCK COMPANY LLC

4 patents
USD988835SJun 13, 2023

Ratchet locking device

DELTA LOCK COMPANY LLC8 citations84
USD981207SMar 21, 2023

Drawer lock assembly

DELTA LOCK COMPANY LLC4 citations73
US11976497B2May 7, 2024

Drawer lock assemblies

DELTA LOCK COMPANY LLC2 citations71
US11879269B2Jan 23, 2024

Ratchet lock assemblies

DELTA LOCK COMPANY LLC0 citations50

INNOVATION LOCK LLC

2 patents
US11992135B2May 28, 2024

Devices, systems and methods for hanging and securing items for display

INNOVATION LOCK LLC4 citations72
US12390022B2Aug 19, 2025

Devices, systems and methods for hanging and securing items for display

INNOVATION LOCK LLC0 citations59

SUMIDA Components & Modules GmbH

1 patent
US10170231B2Jan 1, 2019

Choke and choke core

SUMIDA Components & Modules GmbH4 citations62