Smith Corona Corp.
🏢 View company profile →66Patents
0Active
66Granted
37Portfolio score
Filing activity: Dec 26, 1985 → Sep 30, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5435657A | Label printer and tape and ink ribbon cartridge for use therein | Performing Operations; Transporting | 116 | Expired |
| USD356333S | Combined ribbon and tape cartridge | General | 89 | Expired |
| US5098208A | Ribbon cassette with integral paper guide | Performing Operations; Transporting | 72 | Expired |
| US4797855A | Word processor having spelling corrector adaptive to operator error experience | Physics | 67 | Expired |
| US4847766A | Dictionary typewriter with correction of commonly confused words | Physics | 62 | Expired |
| US4783761A | Spelling check dictionary with early error signal | Physics | 59 | Expired |
| US4782464A | Compact spelling-check dictionary | Physics | 48 | Expired |
| USD310209S | Hand held electronic dictionary | General | 39 | Expired |
| US5838352A | Ink cartridge refilling device and station for cartridges and gravity feed ink bottle | Performing Operations; Transporting | 31 | Expired |
| US5407622A | Process for making metallized plastic articles | Electricity | 31 | Expired |
| US4807181A | Dictionary memory with visual scanning from a selectable starting point | Physics | 31 | Expired |
| US4818828A | Electronic keyboard | Electricity | 30 | Expired |
| US5060154A | Electronic typewriter or word processor with detection and/or correction of selected phrases | Physics | 30 | Expired |
| USD359753S | Label printer | General | 29 | Expired |
| US4865368A | Slide latch gravity lock | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5383735A | Miniature keyboard with sliding keys | Electricity | 25 | Expired |
| US5165145A | Hinge for use with portable electronic apparatus | Fixed Constructions | 24 | Expired |
| US4808017A | Pivotable character display for a typewriter | Performing Operations; Transporting | 21 | Expired |
| US5109573A | Brake mechanism for a pivotable character display | Fixed Constructions | 19 | Expired |
| USD335123S | Portable word processor | General | 18 | Expired |
| US4888730A | Memory typewriter with count of overused words | Physics | 15 | Expired |
| USD333830S | Word processor | General | 14 | Expired |
| US4923314A | Thesaurus feature for electronic typewriters | Physics | 14 | Expired |
| USD315172S | Printer | General | 14 | Expired |
| USD309895S | Portable word processor | General | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.