4. Typewriting machines
  5. For typing on reverse surface of record-medium

Fon-Ex Inc.

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Apparatus for printing of envelopes and pre-packaged mailing ins

Typewriting machines – For typing on reverse surface of record-medium
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Method and apparatus for identifying words entered on DTMF pushb

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
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Method and means for telecommunications by deaf persons utilizin

Telephonic communications – Including aid for handicapped user
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