"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 4953251 | Wiper joint structure A pivotal connection for minimizing any lateral movement between pivotally connected longitudinally extending yokes in articulated windshield wipers forming elongate holders whereby wiper blades are connected to wiper arms driven to reciprocate the blades... | 09/04/1990 |
| 4895255 | Shrink wrapped shipping bundle of blister packages for windshield wipers An end cap for insertion over a plurality of packages each having at least one end which is susceptible to bending when the packages are shrink wrapped into a bundle. The end cap comprises an end panel for location over said ends and four dependent sides ... | 01/23/1990 |
| 4854450 | Blister package The invention provides a package having a transparent blister defining a main cavity and a peripheral flange lying in a plane about the cavity. A substrate is attached to the blister so as to close the cavity with the product lying between the blister and... | 08/08/1989 |
| 4852206 | Aerodynamic windshield wiper The invention provides a windshield wiper superstructure which is shaped to interact with an oncoming air stream so as to divert a component of force of such an air stream downwardly and toward the windshield, thereby to counteract any tendency for the wi... | 08/01/1989 |