Membership
Tour
Register
Log in
Jay R. Carr
Follow
Person
Pierre, SD, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electronic cattle guard
Patent number
4,503,399
Issue date
Mar 5, 1985
Tidball; Keith A.
Jay R. Carr
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING