Membership
Tour
Register
Log in
Lawrence A. Sweet
Follow
Person
Lakeland, MN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Muffler
Patent number
4,109,749
Issue date
Aug 29, 1978
Minnesota Mining and Manufacturing Company
Lawrence A. Sweet
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES