Celebrity Inventors
Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6935961 | Conjuring tool for performing coin increasing trick With a view to providing a conjuring tool which is simple in construction and operation, an interior of a case main body 2 is divided by a partition plate 5 into two portions such as a coin accommodating portion 6 for accommodating coins 20 | 08/30/2005 |
| 6443848 | Levitation entertainment device A levitation-entertainment device has a micro fiber (1) with an object end attached to a select small levitation object (2, 6, 7) placed removably on a levitation base (5) and a base end attached detachably to a base structure (14) that is situated for ma... | 09/03/2002 |
| 5992854 | Card game A card game in which luck and chance play little or no part in determining the outcome; skill, memory, and deception determine the winner. There are two sets or decks of cards. Each player has his own set of cards. Each set is comprised of nine cards, ide... | 11/30/1999 |
| 5456636 | Magical trick device for card slashing A case assembly is pivotably attached to a stand or frame by means of a hinge mechanism. Vertical slits are formed in a front member and a rear member of the case assembly, respectively. A leaf spring is provided as interposed between the front member and... | 10/10/1995 |
| 4013286 | Card magic box A card magic box for a card trick, which automatically tells the card picked and returned by the audience from the rest of a deck. The magic box comprises a deck of uniformly-dimensioned playing cards, the configuration of which is such that either the to... | 03/22/1977 |
