Ralph J. Trnka

Person

Tinley Park, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Punch assembly for forming a base in a metal beverage can
- Patent number 6,434,996
- Issue date Aug 20, 2002
- Crown Cork & Seal Technologies Corporation
- Anton A. Aschberger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for making decorative shaped metal cans
- Patent number 5,970,767
- Issue date Oct 26, 1999
- Crown Cork & Seal Technologies Corporation
- Mark W. Hartman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for making decorative shaped metal cans
- Patent number 5,960,659
- Issue date Oct 5, 1999
- Crown Cork & Seal Company, Inc.
- Mark W. Hartman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for making decorative shaped metal cans
- Patent number 5,832,766
- Issue date Nov 10, 1998
- Crown Cork & Seal Technologies Corporation
- Mark W. Hartman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for making decorative shaped metal cans
- Patent number 5,746,080
- Issue date May 5, 1998
- Crown Cork & Seal Company, Inc.
- Mark W. Hartman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Brush mounting for rotary electrical joint
- Patent number 4,174,142
- Issue date Nov 13, 1979
- The Continental Group, Inc.
- Carl A. Pesce
- H01 - BASIC ELECTRIC ELEMENTS

Ralph J. Trnka

Person

Patents Grantslast 30 patents

Punch assembly for forming a base in a metal beverage can

Systems and methods for making decorative shaped metal cans

Systems and methods for making decorative shaped metal cans

Systems and methods for making decorative shaped metal cans

Systems and methods for making decorative shaped metal cans

Brush mounting for rotary electrical joint