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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7140211 | Tamper detection security for a tank trailer This invention relates to a security system aimed at closing and locking a cover of an opening of a tank trailer to avoid any tampering of its content and to prove that the content of the tank has not been tampered. The security system comprises a locking member mov... | 11/28/2006 |
| 5694974 | Fluid level detection system for ink in a printing press A fluid level detection system (50) for ink in a printing press (10) having a vessel (58) having walls (60) defining a chamber (62), an elongated rotatable shaft (64) in the chamber (62), a motor (66) for rotating the shaft (64), an elongated flexible bla... | 12/09/1997 |
| 5349992 | Liquid distribution and dispensing apparatus and method Apparatus and methods for distributing and dispensing a potable liquid are claimed. The apparatus comprises a faucet, and a storage tank. A conveying channel is provided for sanitarily conveying potable liquid from an outside source to the tank. The conve... | 09/27/1994 |
| 5249511 | Bulk cooking oil distribution and waste removal system A bulk cooking oil system has filter, waste, supply, and fryer stations connected by piping for movement of oil along preselected pipe paths. The filter station functions to filter cooking oil from the fryer station and has a valve adapted to open and clo... | 10/05/1993 |
| 5247816 | Locking means, for a faucet A plate, having a centrally located, tapped hole, which extends only about half-way into the plate, seats a fluid seal therein. The tapped hole threadedly engages the externally-threaded nozzle of a faucet to close off the faucet. The plate further has a ... | 09/28/1993 |
| 4646793 | Cooking oil distribution and grease collection and dispensing apparatus and method A cooking oil and grease recycling apparatus for collecting hot cooking oil from fryer vats in restaurants and industrial food preparation companies and replacing it with fresh oil or grease. Holding tanks connected to the frying vats by pipping, which in... | 03/03/1987 |
| 4644970 | Mixing faucet A mixing faucet assembly especially adaptable for frostfree installation has a casing with a mixing chamber containing valve means for controlling the flow of hot and cold water into the chamber. The mixed water is conveyed from the mixing chamber to a tu... | 02/24/1987 |
