Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7588938 | Neural stem cell-collagen-bioreactor system to construct a functional embryonic brain-like tissue A method of generating tissue from stem and progenitor cells is disclosed. Primary mammalian stem cells and progenitor cells are placed in an extracellular matrix. The matrix is maintained in a culture medium and a microgravity environment. ... | 09/15/2009 |
| 6994934 | Biobased microbattery A galvanic cell having a cathode, an anode, and an electrolyte. The cathode and anode each have vesicles, an electroactive species encapsulated into the vesicles, a conducting substrate, and functionalized tethers immobilizing the vesicles to the substrates. The ele... | 02/07/2006 |
| H2112 | Method for measuring coating thickness using ultrasonic spectral tracking A method and an apparatus are provided for measuring the thickness of a coating material using ultrasonic signals. A broad band of frequencies is transmitted by a transducer towards a layer of coating layer on a substrate and a trailing signal is received from the c... | 12/07/2004 |
