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US 5,740,941 AGranted
Sheet material with coating
OwnerJerome Lemelsoninventor
Life of this patent
Estimating the term…
Abstract
An article includes a base substrate having an outer surface, a visible marking placed on the outer surface, a coating of transparent synthetic diamond material bonded to the outer surface and over the visible marking.
Claims17
An article of manufacture comprising:
- a base substrate defined at least in part by a sheet of material having a generally planar surface;
- said substrate further including an outer surface;
- a visible marking placed on a predetermined portion of said outer surface;
- a coating of transparent synthetic diamond material bonded to said predetermined portion of said outer surface and over said visible marking;
- and
- said coating of transparent synthetic diamond material sealingly covers said visible marking.
3 more elements
Dependencies are inferred from the claim text.