1. Egerton Ch 7980 Reference (shelfmark): Egerton Ch 7980 Title: Scope & Content: Inventions: Signet Warrants for patents for inventions: 1717-1725. Richard Dunning, of Sampford Courtney, county Devon: Signet Warrants for inventor's patents to: 1722-1724. Collection Area: Western Manuscripts Languages: English Date Range: 1722-1724 Extent: 1 item