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For the Inventor, By the Inventor

Kirkland, WA, United States of America

Liffstre Products LLC


USPTO Granted Patents = 2

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

goldMedal Mark Eugene Liffring (2 out of 18 patents)

silverMedal Martin Richard Streich (2 out of 2 patents)


2 patents:

1. 12319241 - Vehicle external cargo stowage and retrieval apparatus and related control system (2025-06-03),
2. 12036953 - Vehicle external cargo stowage and retrieval apparatus and related control system (2024-07-16),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#82 in Kirkland, WA

#2,266 in Washington

#92,653 in US

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Kirkland, WA, United States of America

Liffstre Products LLC

Forward Citations = 0

2 inventors:

goldMedal Mark Eugene Liffring (2 out of 18 patents)

silverMedal Martin Richard Streich (2 out of 2 patents)

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