LexDanaLexDanabeta
Inventor

Matthew Kramer

Inventor
Los Gatos, CA, US

Overview

4→
Patents
2002–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers40%
F25DRefrigerators20%
H04MTelephonic communication20%
LOC1520%
PatentTitleYear
D0919679Three-dimensional printer20219,584,891'Reconfigurable audio drivers'20179,351,061'Audio accessory for media device'20166,418,748'Machinery cooling system'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to EMMPAK FOODS INC (1)· patent assignee history
2002Based in Racine, WI, US· patent location history
2016–2017Patents assigned to AMAZON TECH INC (2)· patent assignee history
2016–2017Based in Los Gatos, CA, US· patent location history
2021Patents assigned to DESKTOP METAL INC (1)· patent assignee history
2021Based in Dublin, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMAZON TECH INC22016–2017
DESKTOP METAL INC12021
EMMPAK FOODS INC12002
Locations
LocationPatentsSpan
Los Gatos, California, US22016–2017
Dublin, OH, US12021
Racine, WI, US12002