Walter Kowaleski

Follow

Person

Canton, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for assembling a heat exchanger core
- Patent number 5,966,808
- Issue date Oct 19, 1999
- Progressive Tool & Industries Company
- William J. Maybee
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...