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"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 |
| 5615848 | Rescue and ambulance helicopter A helicopter presenting a passenger compartment defined longitudinally by two transverse walls and laterally by two swing-up doors; the passenger compartment being equipped for administering first aid and the conveyance of casualties, and presenting a sup... | 04/01/1997 |
| 5570670 | Two stroke internal combustion engine A two stroke internal combustion engine has two opposed pistons (8) which reciprocate in opposite directions in cylinder (4) and define a common compression chamber (6) therebetween. Blower (10) supplies scavenging air at high pressure to compression cham... | 11/05/1996 |
| 5549769 | High temperature stable, low imput energy primer/detonator A method for the manufacture of primers/detonators with 90-99.99% reliability and achieving sensitivity of 0.8 inch-oz to 3.0 inch-oz, able to withstand temperatures within the range of -40° C. to 200° C. and able to withstand temperature cycling and hu... | 08/27/1996 |
