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Polyguard & Co., LLC
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Afton, WY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Burial vault
Patent number
11,566,439
Issue date
Jan 31, 2023
Polyguard & Co., LLC
Marvin Lee Schwab
E04 - BUILDING
Information
Patent Grant
Burial vault flange
Patent number
D894522
Issue date
Aug 25, 2020
Polyguard & Co., LLC
Marvin Lee Schwab
D99 -
Information
Patent Grant
Burial vault system and method
Patent number
8,973,226
Issue date
Mar 10, 2015
Polyguard & Co., LLC
Marvin Lee Schwab
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Burial vault system and method
Patent number
8,881,351
Issue date
Nov 11, 2014
Polyguard & Co., LLC
Marvin Lee Schwab
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
BURIAL VAULT
Publication number
20230175282
Publication date
Jun 8, 2023
Polyguard & Co., LLC
Marvin Lee SCHWAB
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
BURIAL VAULT
Publication number
20200340265
Publication date
Oct 29, 2020
Polyguard & Co., LLC
Marvin Lee Schwab
E04 - BUILDING
Trademark
last 30 trademarks