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

William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.

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Examiner: Weiner, Laura S.

Primary examiner statistics: 2 patents; average approval time: 3 days
Assistant examiner statistics: 0 patents; average approval time: N/A

Patent No.	Patent Title:
8148007	Organic electrolyte solution including vinyl-based compound and l...
7498101	Non-aqueous electrolyte secondary battery having a negative elect...

Patent No.

Patent Title:

No patents.