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 |
| 3953920 | Method of making a transducer A method of manufacturing a transducer having a leaf spring cantilever beam with a strain gauge bonded to each side thereof by a layer of glass. Either one or both strain gauges and one or both glass layers are bonded simultaneously. The assembly is heate... | 05/04/1976 |
| 3943758 | Device for determining surface strains during the measurement of inherent stresses in structural components of machines or apparatus Apparatus for checking a structural component for inherent stresses includes strain gage means for attachment to a surface measuring area of the component, the strain gage means having terminals for leads, means for cutting an annular groove into the comp... | 03/16/1976 |
| 3940730 | Strain gage construction A strain-deformable wire resistance strain gage is cemented to a ship's propeller or turbine blade, and covered with a water vapor curable silicone plastic polymer protective layer in an unset state; a metal screen overlay is tack-welded with the aid of s... | 02/24/1976 |
