Patent drawing - Drawing for a Life - Preserving Coffin Public domain ...
This is the printed patent drawing for a life - preserving coffin invented by Christian H. Eisenbrandt. Patent Case Files
Patent drawing - for a Flying Machine Public domain image
This is the printed patent drawing for a flying machine invented by W. F. Quimby. Patent Case Files
Patent drawing - for a See Saw Public domain image
This is the printed patent drawing for the see saw invented by Mrs. S. E. Saul. Patent Case Files
Patent drawing - for a Toy Gymnast Public domain image
This is the printed patent drawing for a toy gymnast invented by Reuben A. Smith. Patent Case Files
Patent Drawing of Engine - Drawing for a Collapsible Toy House Public ...
This is the printed patent drawing for a collapsible toy house invented by Joseph P. Buckingham. Patent Case Files
Patent drawing - Drawing for a Submarine Boat Public domain image
This is the printed patent drawing for a submarine boat invented by John P. Holland. Patent Case Files
Patent Drawing of Engine - for a Staple Machine Public domain image
This is the printed patent drawing for a staple machine invented by Robert K. Marple. Patent Case Files
Patent drawing - for a Safety Deposit Box Public domain image
This is the printed patent drawing for a safety deposit box invented by Emil A. Strauss. Patent Case Files
Patent drawing - for a Hook and Eye Fastener Public domain image
This is the printed patent drawing for a hook and eye fastener invented by Christian Andersen. Patent Case Files
Patent drawing - for a Propeller Public domain image
This is the printed patent drawing for an adjustable-pitch propeller invented by William B. Hayden. Patent Case Files
Patent Drawing of Engine - for a Window Blind Public domain image
This is the printed patent drawing for a window blind invented by Dayton I. Andrews. Patent Case Files
Patent drawing - Drawing for a Washing Machine Public domain image
This is the printed patent drawing for a washing machine invented by Oliver B. Wright. Patent Case Files
Patent drawing - Drawing for a Staple Magazine and Feed Means for Stap...
This is the printed patent drawing for a staple magazine and feed mechanism for staplers, invented by Henry Ruskin. Patent Case Files