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Inventor

John W. Ludemann

Inventor
Canby, OR, US

Overview

13→
Patents
2014–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 13 as inventor

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

A43Bprimary
A43BCharacteristic features of footwear37%
B29DProducing particular articles from plastics or from substances in a plastic state32%
LOC0232%
PatentTitleYear
10,912,347Polyurethane injected boot assembly and associated manufacturing method202110,849,385Footwear assembly having a vulcanized rubber layer and polyurethane layer2020D0895235Boot2020D0874100Boot202010,327,501Polyurethane injected boot assembly and associated manufacturing method2019D0838946Boot2019D0803526'Boot'20179,642,416'Polyurethane injected boot assembly and associated manufacturing method'2017D0769588'Boot'20169,204,685'Polyurethane injected boot assembly and associated manufacturing method'20158,984,776'Polyurethane injected boot assembly and associated manufacturing method'2015D0712638'Boot'20148,789,292'Footwear assemblies having reinforced insole portions and associated methods'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2021Patents assigned to LACROSSE FOOTWEAR INC (12)· patent assignee history
2014Patents assigned to BARKER AARON (2)· patent assignee history
2014Patents assigned to LUDEMANN JOHN W (2)· patent assignee history
2014Patents assigned to BEHNKE JUSTIN (1)· patent assignee history
2014Patents assigned to BRABSON PAUL W (1)· patent assignee history
2014–2021Based in Canby, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LACROSSE FOOTWEAR INC122014–2021
BARKER AARON22014
LUDEMANN JOHN Wself22014
BEHNKE JUSTIN12014
BRABSON PAUL W12014
Locations
LocationPatentsSpan
Canby, OR, US132014–2021