Internal combustion engine piston ringland gas porting tool
Description
Claims
The ornamental design for an internal combustion engine piston ringland gas porting tool, as shown.
Referenced Cited
Patent History
Patent number: D617664
Type: Grant
Filed: Feb 26, 2008
Date of Patent: Jun 15, 2010
Inventor: Donald E Grimes, Jr. (Fairfield, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/294,356
Type: Grant
Filed: Feb 26, 2008
Date of Patent: Jun 15, 2010
Inventor: Donald E Grimes, Jr. (Fairfield, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/294,356
Classifications
Current U.S. Class:
Template Or Comparator Gauge (6) (D10/64)