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.

Blood Pressure Manometer
2 patents – construction improvement for less breakage and better accuracy, second has a mercury reservoir and glass measuring tube.

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Mortar and Pestle

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Xray Tube

Medical Prints Triple Framed (shown in black but also available in bronze)

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Invented by Henry DeZeng, who also trademarked the word Phoropter – a word that is now used for visual testers.

Ophthalmoscope (for examining eyes)
2 patents – 1 one for a new and improved version, 1 for a battery dry handle.

Stethoscope
First USA patent on the stethoscope – for a concealed noiseless spring that eliminated vibrations.

Bausch and Lomb Microscope
First Bausch & Lomb microscope. Both witnessed the patent document. Print includes these signatures.

Aspirin
Felix Hoffman's patent on his refinement of the formulation that Charles Frederic Gerhardt tried but gave up on.

Respirator