Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 5824186 | Method and apparatus for fabricating self-assembling microstructures A method and apparatus for assembling microstructures onto a substrate through fluid transport. The microstructures being shaped blocks self-align into recessed regions located on a substrate such that the microstructure becomes integral with the substrat... | 10/20/1998 |
| 5463229 | Circuit board for optical devices A circuit board for mounting one or more optical devices such as light receiving LSI chips and light emitting LSI chips. The circuit board has a flexible transparent substrate, a window portion which is formed as a slit-like transparent region of the tran... | 10/31/1995 |
| 4639835 | Device obtained by mounting two semiconductor components within a single housing The present invention concerns the mounting of two semiconductor components within a single or common housing. When two semiconductor components are always connected according to the same wiring diagram one presents them within a single housing in which t... | 01/27/1987 |
| 4499607 | Geometrically-integrated architecture of microcircuits for high-speed computers A geometrically integrated microcircuit comprises a plurality of isosceles or equilateral truncated triangular (e.g., trapezoidal or hexagonal) integrated circuit chips or circuit boards arranged along the internal planes of a geometrical solid, such as a... | 02/12/1985 |
| 4347543 | Rectifier circuit diode array and circuit protector In a rectifier circuit structure, particularly for automative use, a diode array is in the form of a column and includes a Zener diode in the column which serves to protect the rectifier diodes of the arrangement and to protect an electrical load system c... | 08/31/1982 |
| 4032964 | Multiple hybrid semiconductor structure To facilitate manufacture and assembly of the structural support and electrical connections of a composite driver and power semiconductor element, the metal base plate of the composite structure carries the driver power element, and the driver element is ... | 06/28/1977 |