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 |
| 5622781 | Coated substrate for use as a toner recording medium and method of making same A toner recording medium including a substrate, such as paper, containing a coating composition of particulate silica and a polyvinyl alcohol in a coating weight of less than 2.0 g/m2 per side of the substrate. The composition is preferably abo... | 04/22/1997 |
| 5605725 | Coated substrate for use as a toner recording medium and method of making same A toner recording medium including a substrate, such as paper, containing a coating composition of particulate silica and a polyvinyl alcohol in a coating weight of less than 2.0 g/m2 per side of the substrate. The composition is preferably abo... | 02/25/1997 |
| 5437925 | Coated substrate for use as a toner recording medium and method of making same A toner recording medium including a substrate, such as paper, containing a coating composition of particulate silica and a polyvinyl alcohol in a coating weight of less than 2.0 g/m2 per side of the substrate. The composition is preferably abo... | 08/01/1995 |
| 4977131 | OCR scannable carbonless copying system and a method of producing OCR scannable images therewith A carbonless copying system which enables the formation of images that are capable of being detected by an optical character recognition (OCR) device. A phenolic resin or reactive clay image-forming component is applied as a CF coating on a recording subs... | 12/11/1990 |
| 4943554 | Carbonless copying system and method of producing multiple colored copy images therewith A carbonless copy system which enables the formation of a plurality of different colored images on a substrate. A phenolic resin or reactive clay image-forming component is applied as a CF coating on a recording substrate. One or more coatings of encapsul... | 07/24/1990 |
| 4062567 | Dual system carbonless paper A set of carbonless recording sheets wherein each of the individual sheets of the set may be separately stacked with sheets which are identical thereto without the danger of offsetting or inadvertent reproduction occurring through that stack. The sheets b... | 12/13/1977 |
