Description
Dentist Chair
There are two patents in this print. The first is of the design of a dental chair. The other is for a cup holder for a spittoon. The lilac background is one of the colors for dentistry.
Bringing Art to Innovation and Innovation to Art
$20.00 – $85.00
Dentist Chair
2 patents – 1 for the design of chair, 1 for the cup holder for spittoon.
Dentist Chair
There are two patents in this print. The first is of the design of a dental chair. The other is for a cup holder for a spittoon. The lilac background is one of the colors for dentistry.
Mortar and Pestle
Bausch and Lomb Microscope
First Bausch & Lomb microscope. Both witnessed the patent document. Print includes these signatures.
Phrenology
Respirator
Infant Incubator
Blood Pressure Manometer
2 patents – construction improvement for less breakage and better accuracy, second has a mercury reservoir and glass measuring tube.
Medical Prints Triple Framed (shown in black but also available in bronze)
Bunsen Burner
Ophthalmoscope (for examining eyes)
2 patents – 1 one for a new and improved version, 1 for a battery dry handle.
Insulin
Phoropter (for eye testing)
Invented by Henry DeZeng, who also trademarked the word Phoropter – a word that is now used for visual testers.
Xray Tube
Stethoscope
First USA patent on the stethoscope – for a concealed noiseless spring that eliminated vibrations.
Aspirin
Felix Hoffman's patent on his refinement of the formulation that Charles Frederic Gerhardt tried but gave up on.