Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6908362 | Reel-to-reel substrate tape polishing system Disclosed is a reel-to-reel single-pass mechanical polishing system (100) suitable for polishing long lengths of metal substrate tape (124) used in the manufacture of high-temperature superconductor (HTS) coated tape, including multiple instantiations ... | 06/21/2005 |
| 5876270 | Method and apparatus for polishing surface of magnetic recording medium There is disclosed a method and apparatus for polishing a surface of a magnetic recording medium in which a magnetic layer surface of a magnetic tape is brought into contact with a polishing tape which is wound on a contact roll and travelled, and the mag... | 03/02/1999 |
| 5154022 | High precision micromachining of very fine features A method and apparatus is disclosed for machining very fine, smooth cuts and grooves on minute surfaces such as single point bonding tips. The invention accurately aligns the axis of a reciprocating cutting wire in the direction of reciprocating motion an... | 10/13/1992 |
