Distillation column
Description
The broken lines showing an exemplary connection fitting is included for contextual purposes and forms no part of the claimed design.
Claims
The ornamental design for a distillation column, as shown.
Referenced Cited
Patent History
Patent number: D718646
Type: Grant
Filed: Aug 28, 2013
Date of Patent: Dec 2, 2014
Inventor: Jonathan P. Overmyer (McHenry, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/465,464
Type: Grant
Filed: Aug 28, 2013
Date of Patent: Dec 2, 2014
Inventor: Jonathan P. Overmyer (McHenry, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/465,464
Classifications