Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 6685418 | Buffer jib crane for cargo container handling operations A buffer crane for supplementing a quay crane operation and formed to operate thereunder with a landing deck for supporting a multiple of cargo containers above dockside cargo transport operations and for moving cargo containers therebetween by means of a... | 02/03/2004 |
| 6604904 | Method for buffer crane operation in cargo container handling A method for buffer crane operation for supplementing a quay crane operation and formed to operate thereunder with a landing deck for supporting a multiple of cargo containers in buffer operation above dockside cargo transport operations and for moving ca... | 08/12/2003 |
| 6602036 | Buffer bridge crane for cargo container handling operations A buffer crane for supplementing a quay crane operation and formed to operate thereunder with a landing deck for supporting a multiple of cargo containers above dockside cargo transport operations and for moving cargo containers therebetween by means of a... | 08/05/2003 |
| 6554557 | Inter-box connector (IBC) installation and removal system An inter-box connector (IBC) installation and removal system for a buffer crane formed to operate under a quay crane for supplementing operation thereof by semi-automating the previously "by hand" IBC installation and removal procedures.... | 04/29/2003 |
| 6553246 | Universal electrocardiogram sensor positioning device and method for four sizes including extra large A universal disposable ECG sensor positioning device and method for use with electrocardiogram diagnostic equipment in which the mask has ten sensors, six of which can be used at any one time to provide four different sizes to accommodate varying sized hu... | 04/22/2003 |
| 6533941 | Flow through drain filter for a stormwater or wastewater catch basin A flow through drain filter for removing trash, sediment, liquid hydrocarbons, and metal ions comprised of at least four concentric screens having a deionizing filter material disposed between an exit screen and a second middle inner screen and hydrophobi... | 03/18/2003 |
| 6497560 | High volume low pressure air pump A high-volume low pressure hand operated air pump comprised of a tube body with a plunger shaft inserted into one end thereof and a check valve at the other end thereof with a floating seal secured to the internal end of the plunger shaft comprised of a c... | 12/24/2002 |
| 6494642 | Adjustable channel installation bracket An adjustable channel installation bracket for supporting pre-cast drain channels on rebar studs with a support member securable thereto by set screw receptacles formed in the support member and having biased engagement plates engaged to the support membe... | 12/17/2002 |
| 6457275 | Electronic fishing lure An apparatus and method for attracting fish by means of electronic fishing lure having a steel ball enclosed in a metal tube and having a piezoelectric crystal enclosed therewith as one end thereof which generates an electric voltage that is transmitted t... | 10/01/2002 |
| 6400977 | Universal electrocardiogram sensor positioning device and method A universal disposable ECG sensor positioning device and method for use with electrocardiogram diagnostic equipment in which the mask has nine sensors, six of which can be used at any one time to provide three different sizes to accommodate varying sized ... | 06/04/2002 |
| 6390640 | Lighted mask for underwater divers A lighted mask for underwater divers utilizing a monochromatic blue-green LED light source secured to the mask directing light to the front of the face plate of the mask and having a push button control mounted on the mask for actuating the light source.... | 05/21/2002 |
| 6356802 | Method and apparatus for locating cargo containers A method and apparatus for locating containers in a container storage area and identifying the containers by means of their ID tags and identifying the address of the repository location of the containers in the container storage area and wirelessly trans... | 03/12/2002 |
| 6250486 | Integrated balanced wire rope reeving system for cargo container handling cranes An Integrated Balanced Wire Rope Reeving System for Cargo Container Handling Cranes wherein the same ropes perform both load hoist and trolley traversing operations.... | 06/26/2001 |
