Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 4038771 | Load safety device for revolvers A load safety device for a revolver having a cylinder movable laterally from the gun receiver to a position in which its rearward face is unobstructed for insertion of cartridges into the chambers thereof, and having an ejector operable to move the cartri... | 08/02/1977 |
| 4023294 | Safety device for firearms For insertion in a firearm to prevent discharge thereof, a plastic rod having longitudinal ribs fits in the barrel and extends into one of the cylinder chambers of the weapon. The outer end of the rod is recessed from the muzzle end of the barrel and is t... | 05/17/1977 |
| 4018339 | Anti-theft gun protector apparatus Anti-theft gun protector apparatus is disclosed useful for the display of rifles and shotguns of varying lengths and calibers, which includes a plate member fixedly mounted to a multipart mounting box carried on a wall or other surface, a locking box slid... | 04/19/1977 |
| 4014123 | Firearm safety device A firearm safety device comprising a pair of combination lock type dials mounted concentrically and rotatably on the gun casing. The dial in contact with the casing has an aperture spaced a selected radial distance from the center. The other dial has a po... | 03/29/1977 |
| 4003152 | Safety system Normally disabled electrical and mechanical devices are caused to be enabled to operate by remote control signals having predetermined distinctive characteristics, such signals originating from enabling control equipment transported by an authorized perso... | 01/18/1977 |
| 3939679 | Safety system Normally disabled electrical and mechanical devices are caused to be enabled to operate by remote control signals having predetermined distinctive characteristics, such signals originating from enabling control equipment transported by an authorized perso... | 02/24/1976 |
