Patents Assigned to American Step Company, Inc. - Justia Patents Search

Patents Assigned to American Step Company, Inc.

Solid loop lifter for concrete structure

Patent number: D615849

Type: Grant

Filed: August 18, 2009

Date of Patent: May 18, 2010

Assignee: American Step Company, Inc.

Inventor: Craig B. Williams
Solid loop lifter for concrete structures

Patent number: D627210

Type: Grant

Filed: April 15, 2010

Date of Patent: November 16, 2010

Assignee: American Step Company, Inc.

Inventor: Craig B. Williams
Solid loop lifter for concrete structures

Patent number: D645731

Type: Grant

Filed: May 12, 2010

Date of Patent: September 27, 2011

Assignee: American Step Company, Inc.

Inventor: Craig B. Williams