Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6971423 | Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths A log handling and cutting system which cuts logs into lengths, and allows for maximum use of fiber. The system includes equipment for singulating the logs, optimally removing the bark from the logs, scanning the true log image, cutting the logs to length, and sorti... | 12/06/2005 |
| 5203948 | Apparatus and method for producing a bent laminate An apparatus and method is disclosed for the bending and pressing of laminations into 2-dimensional or 3-dimensional curves. The apparatus includes a pair of spaced apart rotatable clamps for the clamping of the laminations at spaced apart locations. At l... | 04/20/1993 |