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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4621634 | Anesthesia tubing connections Improved connectors are disclosed for a Bain anesthesiology circuit. At the end remote from the patient, positive connections are made to the anesthesiology gas supply tube. The construction of the fitting for the exhaust is such as to apply a crank actio... | 11/11/1986 |
| 4620545 | Non-invasive destruction of kidney stones Apparatus for the non-invasive disintegration of kidney stones and the like. An ellipsoidal reflector open at one end is positionable against the body, and may have a diaphragm across the opened end to prevent leakage of water contained in the reflector. ... | 11/04/1986 |
| 4602171 | Inhalation transducer circuit with DC drift compensation An inhalation transducer circuit is provided for use with a transducer having a variable electrical output. Early amplifier stages provide very high gain, and are subsequently a.c. coupled to stages of lesser gain leading to a microprocessor and an output... | 07/22/1986 |
| 4597388 | Apparatus for removing cataracts A method and apparatus are provided for removing an eye lens having a cataract therein. An electric spark is discharged in a hydraulic medium to cause an electro-hydraulic shock which is focused on or directly conducted to the lens, thereby to liquify the... | 07/01/1986 |
| 4598279 | Pressure monitor A pressure monitor is provided for gas pressure supplied to a patient. The monitor includes a pair of spaced contacts in the form of crank arms. A spring member is fixed at one end and is deflectable by a pneumatic cushion supplied with air from the gas s... | 07/01/1986 |
| 4589684 | Anesthesiology connector A female anesthesiology connector is provided for connecting a tube supplying anesthesiology gases to an endotracheal tube. The female connector is provided with a longitudinally extending finger having a bevelled locking tooth thereon for providing a pos... | 05/20/1986 |
| 4538620 | Inhalation valve An inhalation valve for respiratory diagnosis and/or therapy is provided. A single rubber or the like diaphragm is mounted in a free floating fashion so that one portion would open upon inhalation, while the other portion opens upon exhalation. The valve ... | 09/03/1985 |
| 4534343 | Metered dose inhaler A metered dose inhaler is provided for inhalation of asthmatic medication. An upright cylindrical air chamber has structure at the top for receiving a pressurized canister of asthmatic medication and for conducting metered doses thereof into the air chamb... | 08/13/1985 |
| 4495944 | Inhalation therapy apparatus Inhalation therapy apparatus comprises a mouthpiece through which air is to be inhaled and provides a pneumatic signal related to the volume of air inhaled. The pneumatic signal is transduced to electrical information and provides visual indicia to be obs... | 01/29/1985 |
| 4470412 | Inhalation valve An inhalation valve is presented for use with a known antiasthmatic medication cartridge and mouthpiece to simplify patient inhalation and to improve mist formation. A cylindrical passageway receives the known mouthpiece and is provided with an elastomeri... | 09/11/1984 |
| 4456016 | Inhalation valve An inhalation valve is provided for testing the breathing capacity of a person. The valve is constructed of two plastic moldings which snap together and trap a flexible elastomeric valve diaphragm between them. The valve is provided with a mouthpipe. Exha... | 06/26/1984 |
