IBM Wheelwriter/Sources

Patents

Most of these have expired by now, 20 years after invention.

IBM Hardware

• US5000592 - Envelope addressing format feature for electronic typewriters

IBM Software

• US4799811 - Automatic relocate on continuation of document playout
• US4894798 - Automatic stop code insertion feature for a word processing apparatus
• US4957380 - Tab adjust function for an electronic typewriter to permit the shifting of tabs from a first to a second format

Lexmark

• US5038279 - Direct hot-keying with reset of printer parameters for a secondary application including a typewriter emulator

Other Manufacturers

• US4842428 - Electronic typewriter with spell checking and correction: Brother
• US3924722 - Typewriter with electronic keyboard: Cpt Corp
• US4523868 - IBM Wheelwriter Ribbon - Apparently also used by Panasonic due to it’s ubiquity.

Manuals

• Lexmark - Official Product Manuals for IBM/Lexmark Wheelwriter Typewriters

Typewriter Models

• IBM - Typewriter History Milestones, after 1970
• eTypewriters - IBM Typewriter History

Images

• IBM Personal Wheelwriter 2 - The promotional sticker is still attached to this one. A rare look.
• Blue Wheelwriter 5 - Forum - A rare blue Wheelwriter 5? The owner must have just painted it to match his IBM Selectric.

Advertisements

• List of ads for Selectric and Wheelwriter

Recovered Archives

Typewriter enthusiasts were most active in the 1990s, and many of their websites have disappeared since.

• Advanced Business Machines - A Typewriter repair company that holds tons of useful information about Typewriters. They must have gone out of business or something.
• Typewriters Illustrated Encyclopedia - 2005-2013 - Every typewriter ever, with pictures.
• Typewriter Restoration Site
• Jay Respler’s Geocities Page