1972: The Dynabook
1989: GRiDPad
1992: Tandy Zoomer
1993: Apple Newton Message Pad
2000: Microsoft Tablet PC
2003: Compaq TC1000
2007: Amazon Kindle
2010: Apple iPad
2010+: Tablets are experimented with based off the Apple iPad. Here are a few.
2011: Samsung Galaxy Tab 8.9
2012: Google Nexus 7
2012: Microsoft Surface
2015: iPad Pro
https://www.techradar.com/au/news/mobile-computing/10-memorable-milestones-in-tablet-history-924916
The Tablet 