John Maddock and Sons Limited 1842
- occupation:
- Manufacturer of ceramics
- Nationality:
- British; English
- born in:
- Burslem, Stoke-on-Trent, England, United Kingdom
1842- founded as J Maddock; c1855-1870- J Maddock & Son; c1870- J Maddock & Sons; 1896- incorporated as a limited company; Royal Vitreous (c1880-1896), Royal Ivory (c1927) brands