Lloyd J. Uhren

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Waukesha, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a metal nutrient for an animal feed
- Patent number 6,352,714
- Issue date Mar 5, 2002
- DER, Inc.
- Paul R. Erickson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for treating chrome leather waste
- Patent number 5,401,833
- Issue date Mar 28, 1995
- United States Leather Holdings, Inc.
- Paul R. Erickson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL