...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 6505405 | Electric can opener An electric can opener has a handle that is used to `close` a blade towards a traction wheel so as to pinch a top rim of a can while the lid is removed, in a known manner. When the handle is moved downwards, the blade is carefully controlled in its moveme... | 01/14/2003 |
| 6279236 | Can opener A household electric can opener operable by vertical movements of a control button. The can opener has an easily removable assembly that includes all of the exposed operating parts, including a cutting blade, a can drive wheel, the control button, and a l... | 08/28/2001 |
| 6249980 | Can opener A can opener has a blade-carrying member pivotably connected to a housing and a hooked connection between the blade-carrying member and the housing that permits the blade-carrying member to be disconnected from the pivotal connection when an actuator of t... | 06/26/2001 |
| 6158130 | Industrial can opener A heavy duty industrial can opener operated by hand or by motor which accommodates various sizes of cans and cuts the outer seam wall of a can rather than the top lip of the can. The can opener includes a cutting wheel with a cutting edge and a traction w... | 12/12/2000 |
| 6098293 | Can opener with rotating bottom support A can opener is provided including a housing and an elevator mounted on the housing. Next provided is a blade assembly having a rotating blade. The blade assembly is coupled to the elevator for being moved downwardly upon a can such that the blade engages... | 08/08/2000 |
| 5367776 | Can opener A can opener comprising a housing having a handle. A cutting wheel having a cutting edge for severing a can wall is mounted in the housing. There is a traction wheel having a gripping surface to engage the can. The traction wheel are rotatable and the axi... | 11/29/1994 |
| 4941262 | Can opener The can opener has two support members (10 and 11), a rotatable drive wheel (17) on one of the support members (10) for advancing the opener around a can, a cutting blade (18) on the other member (11), and two handles (13 and 14) for pivoting the support ... | 07/17/1990 |
| 4922617 | Electrically driven can opener The electrically driven can opener is composed of a housing (1) accommodating a drive mechanism, a drivable drive wheel (2) which is located on the outside of a housing wall (3), a cutter (8) rotatably supported on the housing wall (3) at a distance from ... | 05/08/1990 |
| 4831735 | Adjustment height can opener An electrically operated portable can opener being adjustable in height to enable opening various size cans, the can opener having a primary housing which is partially received within a secondary base housing with a rotary cam serving to control the raisi... | 05/23/1989 |
| 4702007 | Rechargeable electric can opener A rechargeable electric can opener including a can-feed wheel disposed on an outer face of a flat casing mounting a motor and a reduction gear mechanism therein, a cutter having a cutting edge capable of turning up-and-down to open a lid of the can in coo... | 10/27/1987 |
| 4561182 | Electric can opener An electric can opener comprising an opener body and a body support. The opener body includes a cutter and a toothed wheel adapted to be rotated by an electric motor. A can to be opened is placed on the wheel at its upper projecting edge, and rotated by t... | 12/31/1985 |
| 4534108 | Electric can opener with juice squeezing attachment An electric can opener comprises a can opener body, a can opening attachment and a juice squeezing attachment. The can opener body is provided with a drive shaft, a motor for rotating said drive shaft, a vertically holding portion and a horizontally holdi... | 08/13/1985 |
| 4207676 | Can opener The present invention relates to a can opener comprising a cutter moved in the vertical direction by an operation lever and a feed gear mechanism disposed below the cutter, in which by the co-operative action of the cutter and the feed gear mechanism, a l... | 06/17/1980 |
| 4053981 | Power operated can opener having automatic shutoff means, a removable hand lever assembly, and a manual crank A motor driven can opener includes a pivotal hand lever assembly which may be removed from the can opener frame. A latch on the frame engages an edge portion of the hand lever to retain the lever on the frame throughout its normal operating range. A plate... | 10/18/1977 |
| 4028807 | Can opener latch for releasing cutting assembly To facilitate the cleaning of a can opener cutter, the pivoted handle on which it is mounted is arranged for easy removal. The shaft on which the handle is pivoted has an undercut section. A keeper edge mates with the undercut section of the shaft to rest... | 06/14/1977 |