IBM

IBM never manufactured their own Palm OS PDA's, but rather commissioned Palm to rebrand existing devices.

• https://en.wikipedia.org/wiki/List_of_Palm_OS_devices#WorkPad

The devices that were produced:

• WorkPad (rebadged PalmPilot)
• WorkPad 20X (rebadged Palm III)
• WorkPad 30X (rebadged Palm IIIx)
• WorkPad c3 (rebadged Palm V/Vx)
• WorkPad c500 (rebadged Palm m500)
• WorkPad c505 (rebadged Palm m505)

Full IBM list- prefix 8602

• 8602-10X - Original Pilot
• 8602-20X - Palm III
• 8602-2GE - German 20x
• 8602-3GE - Palm IIIx German
• 8602-30C - Palm IIIx Chinese
• 8602-30J - Palm IIIx Japanese
• 8602-30X - Palm IIIx English
• 8602-31J - Palm IIIx with built in 32kbps PIAFS1.0 PHS module.
• 8602-4GE - Palm V German
• 8602-40C - Palm V Chinese
• 8602-40J - Palm V Japanese
• 8602-40X - Palm V English
• 8602-5FR - Palm Vx French
• 8602-5GE - Palm Vx German
• 8602-50J - Palm Vx Japanese
• 8602-50U - Palm Vx USA
• 8602-50X - Palm Vx English
• 8602 60U - WorkPad C500 - Palm m500
• 8602 60X - WorkPad C500 - Palm m500
• 8602 61U - ????
• 8602 70J - WorkPad C505 - Palm m505
• 8602 70U - WorkPad C505 - Palm m505
• 8602 70X - WorkPad C505 - Palm m505