Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 4795425 | Spermicidal condom A spermicidal contraceptive sheath and method of manufacture are disclosed. The sheath has a first spermicide-containing semi-solid inside the sheath at the closed end thereof. A spermicide-containing lubricant is provided at least on the outside surface ... | 01/03/1989 |
| 4781709 | Aids-preventing condom shield article In a preferred embodiment, a condom-like article includes a condom-like closed-end sleeve having at its open end a continuous water-impervious sheet (shield) having a height extending upwardly from the hole at-least about seven or more inches sufficiently... | 11/01/1988 |
| 4735621 | Tubular protective device for protection against transfer of infectious matter during sexual intercourse A thin-walled, condom-like tubular protective device for protection against the transfer of infectious matter during sexual intercourse is disclosed. The condom-like device has an open end a collar-shaped outwardly extending portion with means for radiall... | 04/05/1988 |
| 4726359 | Protective end caps on rolled condoms The present invention relates to protective end caps on rolled condoms. These protective end caps are designed to attach to rolled condoms to indicate the orientation, direction of unrolling, of the condoms. These protective end caps are then separated from th... | 02/23/1988 |
| 4684490 | Process for preparation of polyurethane condoms A process of making a polyurethane condom which comprises providing an organic solvent solution of a polyurethane, dipping a condom form or mold into the polyurethane solution, raising the form from solution and allowing the resultant deposited film to cu... | 08/04/1987 |
| 4664104 | Anti-herpes modality system An anti-herpes modality system that includes a garment worn by either the male or female partner of a couple, one of whom has herpes simplex. A sheath member is removably connected to the garment by way of a biasable gripper secured to the open end of the... | 05/12/1987 |
| 4638790 | Contraceptive hood A male contraceptive hood which is adhesively secured to the penis, the hood being initially rolled up and the interior of the hood being free of adhesive until it is unrolled. The hood has a thin sheath which serves as the contraceptive device and an out... | 01/27/1987 |
| 4626286 | Collagen gel and the process of making said gel The present invention relates to a collagen gel and to a process for obtaining it. More particularly, the present invention relates to an improved homogeneous collagen gel, which can be used in the manufacture of collagen film articles of improved thinnes... | 12/02/1986 |
| 4576156 | Prophylactic device and method A prophylactic or contraceptive device made from a thermoplastic polyurethane material having a generally cylindrical configuration with a closed end.... | 03/18/1986 |
| 4446860 | Devices and methods for the prevention of transmission of venereal disease and non-gonococcal genital infections A method and devices for the prevention of transmission of venereal diseases and non-gonococcal genital infection which includes methods, such as contraceptive and non-contraceptive creams, jellies, foams, etc., and/or methods involving mechanical birth c... | 05/08/1984 |
| 4432357 | Condom with rheopexic filled deformable chamber A condom having a plurality of deformable sealed chambers along at least a portion of the length thereof, rheopexic fluid being filled in the deformable sealed chambers. When the chambers are deformed during use of the condom, shear stress is applied to t... | 02/21/1984 |
| 4415548 | Spermicidally lubricated prophylactics and method for making same A spermicidally active, lubricated prophylactic and method for making same is disclosed. The prophylactic is formed by dip-coating and unrolling the prophylactic and a specific lubricant, polyethylene glycol, and a spermicide are dispensed into the rolled... | 11/15/1983 |
| 4354494 | Condom having a retention strap A condom for preventing conception or venereal infection during coitus comprising an elongate and tubular sheath being closed at one end and having an opening at the other end thereof, said opening including a periphery, and an elongate resilient retentio... | 10/19/1982 |
| 4349026 | Regenerated fiber collagen condom and method of preparation A novel collagen condom consists of isotropically-strong, crosslinked, regenerated fiber collagen. A method of preparation involves the steps of at least twice dipping a mandrel into an acidic collagen dispersion; slowly removing the mandrel under spinnin... | 09/14/1982 |
| 4332243 | Devices and methods for the prevention of transmission of venereal disease and non-gonococcal genital infections A method and devices for the prevention of transmission of venereal diseases and non-gonococcal genital infection which includes methods, such as contraceptive and non-contraceptive creams, jellies, foams, etc., and/or methods involving mechanical birth c... | 06/01/1982 |
| 4320752 | Multi-band or network male contraceptive A network of adhesive bands seals a semen receptacle to prevent sperm from escaping from this receptacle. The receptacle and adhesive network covers the penile orifice. The receptacle also has one-way valve systems.... | 03/23/1982 |
| 4281648 | Inflatable condom An inflatable condom, prophylactic or prosthetic device having a conventional anterior portion and retaining ring or reinforced edge with an expandible secondary portion extending from the anterior member, and having an air duct extending inside the anter... | 08/04/1981 |
| 4143423 | Surgical lubricants Plastic, natural or synthetic rubber surgical appliances such as gloves, condoms, drains, catheters and tubing are coated with a nontoxic chemical formulation to inhibit sticking during storage and to ease the installation of the device. The coating discl... | 03/13/1979 |
| 4119094 | Coated substrate having a low coefficient of friction hydrophilic coating and a method of making the same A substrate is coated with a polyvinylpyrrolidone-polyurethane interpolymer. In the method, a polyisocyanate and a polyurethane in a solvent such as methyl ethyl ketone are applied to a substrate and the solvent evaporated. If the substrate is a polyureth... | 10/10/1978 |