Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 6649224 | Method for applying a coating to a substrate A method of applying a coating to a surface of a substrate, comprising the steps of: introducing a substrate into an atmosphere which consists of at least one chemically reactive compound, water and at least one of nitrogen and argon, and thereafter ... | 11/18/2003 |
| 6648959 | Coloring pigment This invention relates to a method for preparing a coloring pigment, wherein an anionic or cationic clay, which clay contains substantially no agglomerates of clay sheets, is subjected to an ion exchange with an organic dye. The invention further relates ... | 11/18/2003 |
| 6638429 | Method for processing a watery substance with zeolites Method and apparatus for processing a watery substance, such as sludge or manure, wherein in a mixer-drier (33) the watery substance to be processed, which may or may not be mechanically partly dewatered (in 31) and/or preheated (in 32), is mixed with zeo... | 10/28/2003 |
| 6205848 | Method and equipment for the characterization of suspensions Method and equipment for the detection and identification of particles in a suspension with the aid of acoustic signals, directed at at least one measurement volume within the suspension, via reception of acoustic reflection signals, conversion of the aco... | 03/27/2001 |
| 4864292 | Identification system An identification system, consisting of at least one stationary element and at least one movable element or token, the first element having a first induction coil adapted to generate a magnetic alternating field and being connected to a source of alternat... | 09/05/1989 |
