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 |
| 4867142 | Self actuated lombar traction apparatus This invention is in the general field of Rehabilitation Apparatus for the human back and, in particular, it provides a self-help, portable apparatus, which allows the operator to apply intermittant traction to the lower Lombar region of his back. The pos... | 09/19/1989 |
| 4865032 | Tool for suturing A plier-like tool used to grab anchors have a pair of projections which fits into the anchor cavities. A pair of arms are pivotally connected together which provide for rotation of the projections in the same plane near the distal end of each arm. The pro... | 09/12/1989 |
| 4842588 | Method of loading and discharging a drip chamber A flexible tube is mounted on top of the drip chamber. The top of the tube is connected to the spike via a one-way ball-type valve. The bottom of the tube is connected to the drip chamber via a duck-bill-type valve inside of the drip chamber. The duck-bil... | 06/27/1989 |
| 4834098 | Suturing needle and anchor A suturing needle in combination with an anchor. The anchor is molded from medical grade plastic. The needle is made of surgical grade steel and is formed in an arcuate shape. One end of the needle has a point. The opposite end has an off-set section whic... | 05/30/1989 |
| 4832026 | Method of suturing A method for low trauma suturing: (a) Thin steel needle put into flesh (using a tool) on one side of the wound until anchor fixed to a needle engages flesh. At that time point of needle will protrude. Anchor crimped on the protruding side; (b) Anchors are... | 05/23/1989 |
| 4821878 | Round dispenser for sutures For use in suturing: (a) Thin steel needle put into flesh (using a tool) on one side of the wound until anchor fixed to a needle engages flesh. At that time point of needle will protrude. Anchor crimped on the protruding side; (b) Anchors are in ball form... | 04/18/1989 |
