U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?

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Examiner: Sohwartz, Iurie A.

Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 1 patents; average approval time: 699 days

Patent No.

Patent Title:

No patents.

Patent No.	Patent Title:
5720994	Mold for molding discs to be laminated into double discs