Dual chamber mixing gun
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Description
The broken line showing of the dual chamber mixing gun is included for the purpose of illustrating portions of the article and forms no part of the claimed design.
Claims
The ornamental design for a dual chamber mixing gun, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D603668
Type: Grant
Filed: Oct 1, 2008
Date of Patent: Nov 10, 2009
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Scott D. Gullicks (Apple Valley, MN), Jeffrey R. Janssen (Ho Chi Minh), Mark F. Schulz (Lake Elmo, MN), Ryan Patrick Simmers (Cottage Grove, MN), Nathan A. Abel (White Bear Lake, MN)
Primary Examiner: Holly H Baynham
Assistant Examiner: Sheryl Lane
Attorney: Philip P. Soo
Application Number: 29/325,463
Type: Grant
Filed: Oct 1, 2008
Date of Patent: Nov 10, 2009
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Scott D. Gullicks (Apple Valley, MN), Jeffrey R. Janssen (Ho Chi Minh), Mark F. Schulz (Lake Elmo, MN), Ryan Patrick Simmers (Cottage Grove, MN), Nathan A. Abel (White Bear Lake, MN)
Primary Examiner: Holly H Baynham
Assistant Examiner: Sheryl Lane
Attorney: Philip P. Soo
Application Number: 29/325,463
Classifications
Current U.S. Class:
D8/14.1