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Joseph L. Trznadel
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Crystal Lake, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Multi-chamber container apparatuses and methods of making and using...
Patent number
10,702,685
Issue date
Jul 7, 2020
Joseph Trznadel
A45 - HAND OR TRAVELLING ARTICLES
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Patent Grant
Multi-chamber container apparatuses and methods of making and using...
Patent number
10,159,824
Issue date
Dec 25, 2018
Joseph Trznadel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
Multi-Chamber Container Apparatuses and Methods of Making and Using...
Publication number
20190117946
Publication date
Apr 25, 2019
Joseph Trznadel
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Application
Multi-Chamber Container Apparatuses and Methods of Making and Using...
Publication number
20170341846
Publication date
Nov 30, 2017
Joseph Trznadel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Vacuum Control System For A Breast Pump
Publication number
20080009815
Publication date
Jan 10, 2008
Richard W. Grabenkort
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE