Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 5474672 | Bilgewater purification device The instant device serves to remove petroleum substances from pumped bilgewater in small boats. Bilgewater under pressure is pumped into a media housing chamber after having first passed into a filter housing chamber containing polyethylene beads that sep... | 12/12/1995 |
| 5433127 | Multi-functional jack handle There is here disclosed a multi-functional cylindrically shaped jack handle with a solid first end characterized by the presence of a centrally located notched out slot for receipt of flat release screws on hydraulic jacks, a first shoulder in proximity t... | 07/18/1995 |
| 5421961 | Forming board position control system The instant device is a forming board position control system. A forming board fitted with the instant invention is positioned at various distances from and with virtually perfect constant parallelarity to the lie of the frontal plane of a headbox in appo... | 06/06/1995 |
| 5405359 | Toggle wedge A toggle wedge is hereof depicted that serves as a suture anchor in bone or soft tissue to which further soft tissue can be sutured in close opposition thereto which wedge is made up of a top portion characterized by the presence of a barbed tip, three sm... | 04/11/1995 |
| 5377992 | Method of playing a board game utlizing playing cards and tokens A rectangular board same utilizing two decks of conventional playing cards, both of which decks are identical but without jokers and a plurality of distinct sets of tokens or pegs for placement upon rectangular spaces of equal area on the face of the draw... | 01/03/1995 |
| 5358158 | Fishing reel holder The instant device is made up of a semi-rigid, one piece belt clip with two sides worn on the belt of a fisherman, with touch fastener material permanently affixed to the one piece, two sided belt clip with two identical strips of hook tape stitched to th... | 10/25/1994 |
| 5324308 | Suture anchor The instant device is made up of a guide wire component, a proximal wedge component and a distal wedge component with the proximal wedge component having a side with an inclined medial face, two suture grooves on this side above its inclined face, a stop ... | 06/28/1994 |
| 5277347 | Small game holder The instant invention consists of a piece of heavy string eighteen or so inches long that is looped about itself, tied at one end of the loop and then subjected to a threading of both sides of the loop through a plurality of compressible, movable small co... | 01/11/1994 |
| 5271624 | Shot on goal practice aid A modified sling commonly used in unmodified form for load bearing modified to the extent that one end, a top end consists of a closed eye loop and the other end, a bottom end is flat. The flat bottom end of the device is folded onto the body of the devic... | 12/21/1993 |
| 5213402 | Recycling cabinet unit The instant device consists of an insulated hollow interior cabinet built into a home or office wall with exterior doors flush to exterior trim on said walling within a home or office such that when said exterior doors are open, there is seen, a flat top ... | 05/25/1993 |
| 5167598 | Runner's arm swing holder The instant invention comprises a flat bottom surface, a flat posterior surface and two flat pentagonal lateral surfaces all jointed together to form one hollow unit and with a pair of parallel horizontal aperture slits of equal length through which bandi... | 12/01/1992 |
| 5110083 | Ross staging bracket A first metal bar having an upwardly extending flange; a second metal bar; a third angulated metal bar or strut; a first horizontal waler support plate; a second vertical form engaging plate extending downwardly from one end of the first horizontal waler ... | 05/05/1992 |
| 5107958 | Ladder leveler A Johnson Ladder Leveler serving to level a ladder on an uneven surface comprising an extension leg held by a bolt nut apparatus to a treaded triangular foot which said extension leg extends longitudinally when in use while fastened by way of a spring pin... | 04/28/1992 |
| 4849692 | Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields A device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals via measuring the position and orientation of receiving antennae with respect to transmitting antennae utilizing direct current electromagn... | 07/18/1989 |
