Membership
Tour
Register
Log in
Karl R. Kratz
Follow
Person
Algoma, WI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Liquid manure system
Patent number
4,014,271
Issue date
Mar 29, 1977
The Calumet Co., Inc.
Vincent E. Rohlf
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING