U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.

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Class 409/322 - With fluid-driven bed

Subclass of Class 409 - Gear cutting, milling, or planing
Definition: Apparatus including means to cause the carriage to move
No. of patents: 0