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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7494025 | Internal cover for enclosing container contents An internal cover (10) is used for enclosing the contents of a straight walled container (38) which consists of a disc shaped rigid body (20) having a recess (22) in the top surface creating a depression with an outside rim (24) ex... | 02/24/2009 |
| 7425207 | Vial for filling a syringe A vial for dispensing a liquid into a syringe is described which comprises a body section for holding the liquid, the body section having a top and a bottom; a port having a removable seal, where the port is adapted for a syringe connection and where the port is int... | 09/16/2008 |
| 7255244 | Paint sealer for use within paint cans The present invention provides for a device for sealing paint in a can. The device or fluid cover includes a circular disk having an outer edge with the diameter of the edge being smaller than the inner diameter of the can. The cover includes a side wall that extend... | 08/14/2007 |
| 6945014 | Air-tight coffee storage container A coffee storage container, for storing a quantity of coffee within a jar having a bottom and a side wall, and using a piston having a top and bottom, and a one-way valve. The quantity of coffee is placed in the jar bottom. The piston extends within the jar and defi... | 09/20/2005 |
| 6929142 | Removable hatch cover for an internal floating roof manway A hatch cover for deployment over a hatchway formed in a floating roof liquid storage tank permits rapid loading and unloading of inspection or maintenance equipment and minimizes vapor emissions from the tank. The portable hatch cover has two base plates movably co... | 08/16/2005 |
| 6779921 | Zippered film and bag Reclosable bags, plastic film for making the bags, and a method and apparatus for making the bags are disclosed. The bag has a reclosable fastener (26) connected to a single wall of the bag, and the film (55) has a reclosable fastener (26) conne... | 08/24/2004 |
| 5470535 | Universal zero-headspace extractor vessel This invention provides a pressurizable zero-headspace extractor vessel useful in preparing mixtures of solid- and liquid-phase material for constituent analysis, for example for preparing environmental samples for analysis of toxic contaminants. The inve... | 11/28/1995 |
| 5370260 | Dispensing food container and cover with variable surface area A dispensing food container having a bottom wall and a side wall connected to the bottom wall, thereby forming an inner chamber. A cover is displaceably mounted with respect to the side wall for varying the volume of the inner chamber. At least a portion ... | 12/06/1994 |
| 5339981 | Paint can sealer A sealing device for sealing the surface of contents of a container comprises a disc-like member having a central portion and a flexible perimeter and having a centrally located upstanding hollow handle having a purge valve at the upper end thereof. The p... | 08/23/1994 |
| 5219091 | Dispensing food container A dispensing food container having a bottom wall and a side wall connected to the bottom wall, thereby forming an inner chamber. A cover is displaceably mounted with respect to the side wall for varying the volume of the inner chamber. At least a portion ... | 06/15/1993 |
| 5213230 | Paint can sealer A sealing device for sealing the surface of contents of a container comprises a disc-like member having a central portion and a flexible perimeter and having a centrally located upstanding hollow handle having a purge valve at the upper end thereof. The p... | 05/25/1993 |
| 4796785 | Apparatus for holding and dispensing beverages Apparatus is provided for storing and dispensing beverages while excluding air from contact with the beverage and maintaining it at a desired temperature. The apparatus is comprised of a vessel having a cylindrical sidewall, an open upper extremity, and a... | 01/10/1989 |
| 4764391 | Process for preparing and storing brewed beverages A floating lid is provided which enables the preparation of a beverage of uniform consistency which is retarded in its loss of volatile, oxidation and contamination. The floating lid is buoyant and has an aperture through which the beverage passes. The ap... | 08/16/1988 |
| 4723674 | Leveled food preserver storage device container with floating lid A lid for use in combination with a container having smooth inner walls includes a central portion and a flexible annular lip which contacts the inner walls of the container and provides a seal between the lid and the walls. The lip includes a notch there... | 02/09/1988 |
