...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 |
| 5764154 | Passive non-energized earthquake detector An earthquake alarm that does not require batteries or other external power supply that supplies an audio alert with sound waves that can be detected by a human being, particularly useful in a bedroom to awaken a human being to notify them of an earthquak... | 06/09/1998 |
| 5500595 | Surface coil holder for magnetic resonance imaging A surface coil holder for magnetic resonance imaging wherein the holder is provided with straps or tape for securing the holder to an MRI table and a body part of a patient. By preventing movement of the holder and the patient's body part during examinati... | 03/19/1996 |
| 5497797 | Automatic tire treatment system The instant invention provides a fully automated tire treatment system capable of applying chemical treatment uniformly to a tire sidewall. Employing a pair of tracks whereon a carriage and adjustable vending bracket is disposed thereon allows treatment o... | 03/12/1996 |
| 5490704 | Surveillance camper top A surveillance camper module that is transferable from one truck bed to another comprising a complete enclosure adaptable for insertion into the bed of a truck, having an upper volume which disguises the bed as a camper, a lower volume which mates with th... | 02/13/1996 |
| 5488767 | Automatic grommeting machine An automatic grommeting machine for high speed, large volume insertion and setting of eyelets, grommets, etc., and their mating washers, without requiring pre-punching of a hole. Dual cams are connected to a series of linkages which control the movement o... | 02/06/1996 |
| 5465694 | V-block engine lubrication device An improved lubrication circuit for a V-block, cam in block, General Motors type internal combustion engine. The improvement is provided by forming additional oil passages in the V-block between the left side oil passage and some of the cam bearings. The ... | 11/14/1995 |
| 5429750 | Method of treating wastewater sludges for pathogen removal and vector control A method to remove pathogens from dewatered sludge and to reduce vector attraction that includes the steps of raising the pH 12 of the sludge above 12, subjecting the sludge to low ambient (near zero) pressure and/or elevating the shear pressure on the sl... | 07/04/1995 |
| 5326369 | Flexible actuating screw A motor actuated screw device for the transmission of torque over articulating surfaces finding particular use in prosthetic devices used as mechanical artificial hands. The device employs a high torque motor mounted on a support platform which is attache... | 07/05/1994 |
| 5318339 | Vehicular portable swivel seat A portable apparatus for expeditiously seating a handicapped or elderly person in a vehicle. The device is mounted on a car seat and includes top and bottom members which swivel relative to each other. The bottom member is removably fastened by a belt to ... | 06/07/1994 |
| 5309931 | Automatic tire treatment system The instant invention provides a fully automated tire treatment system capable of applying chemical treatment uniformly to a tire sidewall. Employing a pair of tracks whereon a carriage and adjustable vending bracket is disposed thereon allows treatment o... | 05/10/1994 |
| 5239996 | Controllable network of related medical patient attached devices for coordinated control A primary central controller switch box for providing a centralized means for alternatively coupling a defibrillator, a plurality of pacers and recorders in conjunction with a quadripolar endocardial catheter, an apex and back body surface electrode, and ... | 08/31/1993 |