- Advanced Turboprop Project.
- Advanced turboprop project.
- Amos W. Woodward's first patent number was 103,813.
- The Saga of a Patent Model.
- The Saga of a Patent Model.
- The Saga of a Patent Model.
- The American patent office.
- Patent history project.
- Patent history project.
- Patent history project.
- Patent history project.
- Patent history project.
- AMOS W. WOODWARD'S FIRST PATENT FROM 1870.
- Vintage manufacturing equipment history and advertisements.
- Vintage machine shop manufacturing history project.