Duo-propeller
Description
The broken lines in
Claims
The ornamental design for a duo-propeller, as shown and described.
Referenced Cited
Patent History
Patent number: D1083739
Type: Grant
Filed: Apr 5, 2023
Date of Patent: Jul 15, 2025
Assignee: Sharrow Engineering LLC (Philadelphia, PA)
Inventor: Gregory C. Sharrow (Grosse Pointe Park, MI)
Primary Examiner: Abraham Bahta
Application Number: 29/873,674
Type: Grant
Filed: Apr 5, 2023
Date of Patent: Jul 15, 2025
Assignee: Sharrow Engineering LLC (Philadelphia, PA)
Inventor: Gregory C. Sharrow (Grosse Pointe Park, MI)
Primary Examiner: Abraham Bahta
Application Number: 29/873,674
Classifications
Current U.S. Class:
Propeller (D12/214)