David Freeman

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Iowa City, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Odor-absorbing materials and processes for their preparation and use
- Patent number 9,339,005
- Issue date May 17, 2016
- Kent Pet Group, Inc.
- Lin Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Odor-absorbing materials and processes for their preparation and use
- Patent number 8,950,360
- Issue date Feb 10, 2015
- Kent Pet Group, Inc.
- Lin Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Odor-Absorbing Materials and Processes for Their Preparation and Use
- Publication number 20150136036
- Publication date May 21, 2015
- Kent Pet Group, Inc.
- Lin Wang
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Odor-Absorbing Materials and Processes for Their Preparation and Use
- Publication number 20130213314
- Publication date Aug 22, 2013
- KENT NUTRITION GROUP, INC.
- Lin Wang
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING