Membership
Tour
Register
Log in
Paul E. Wiesner
Follow
Person
Cumming, GA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Bulk freight rail car with metallized interior surfaces
Patent number
4,454,823
Issue date
Jun 19, 1984
Portec, Inc.
David A. Stoller
B61 - RAILWAYS
Information
Patent Grant
Curved roof hooper car
Patent number
4,444,123
Issue date
Apr 24, 1984
Portec, Inc.
Ryan M. Smith
B61 - RAILWAYS