The Lawn Sprinkler, 1897

Storing Blood Plasma, 1945

The Dust Pan, 1887

Automatic Elevator Doors

Alternate Planting of Crops

Non Refillable Bottles, 1899

The Fountain Pen, 1890

The Rotary Engine, 1892

Refrigeration Unit in trucks, allowing perishables to be hauled over long distances,  1957

Casket Lowering Device, 1894

Pencil Sharpener, 1897

Caps for Bottles, 1893