Inventor

FREDERICK MARK

US9 patents

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

MAKUSAFE CORP

4 patents

US11527142B2Dec 13, 2022

Device, system and method for health and safety monitoring

MAKUSAFE CORP3 citations68

US12400535B2Aug 26, 2025

Device, system, and method for assessing worker risk

MAKUSAFE CORP0 citations59

US11990020B2May 21, 2024

Device, system and method for health and safety monitoring

MAKUSAFE CORP1 citations57

US12443167B2Oct 14, 2025

Device, system and method for optimizing operation of production equipment

MAKUSAFE CORP0 citations47

INMUSIC BRANDS INC

3 patents

USD830347SOct 9, 2018

Microphone

INMUSIC BRANDS INC4 citations68

USD843978SMar 26, 2019

Broadcasting device

INMUSIC BRANDS INC1 citations58

USD831726SOct 23, 2018

Camera

INMUSIC BRANDS INC0 citations48

FREDERICK MARK

1 patent

US8230969B2Jul 31, 2012

Acoustic panels, apparatus and assemblies with airflow-resistive layers attached to sound incident surfaces

FREDERICK MARK30 citations83

WURSTER CLEMENS

1 patent

US9239143B2Jan 19, 2016

Aviation obstruction lighting

WURSTER CLEMENS2 citations49