Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4196670 | Method of coating bullets to reduce the leading effect thereof on the bores of firearms A method is disclosed for coating bullets to reduce the "leading effect" thereof on the gun bores of firearms by coating each bullet, prior to loading, with a dry film lubricant composition, the lubricant composition including molybdenum disulfide dispere... | 04/08/1980 |
| 4193348 | Projectile for centerfire pistol and revolver cartridges A projectile for a centerfire cartridge achieves maximum energy transfer with limited target penetration. A hollow point lead bullet is provided with an aluminum jacket which allows the cartridge containing the projectile to feed reliably in auto-loading ... | 03/18/1980 |
| 4176487 | Firearm barrels and projectiles A firearm barrel is provided with a smooth bore which is widened in areas with annular grooves or pockets in the bore walls which act as propellant gas pressure relief areas. When a projectile is fired through the smooth bore, helical notches in the rear ... | 12/04/1979 |
