Inventor · disambiguated record
Rowland V. D. Firth, Iii
Also filed as: FIRTH III ROWLAND V D · FIRTH ROWLAND V D III
4 granted patents·55 citations·filing 1978–1989
75Inventor score
Files withIBM4
Top patents by PatentIndex Score
4 records- 0178US4264223AReversible ribbon cartridge for a high speed impact printerIBM·Filed 1979·Granted Apr 28, 1981·20 cites·7 claims
- 0274US4958195AMethod and apparatus for fusing envelopesIBM·Filed 1989·Granted Sep 18, 1990·25 cites·26 claims
- 0358US4213575APrinter ribbon supply mechanism with end of ribbon detect expedient which reduces ribbon dragIBM·Filed 1978·Granted Jul 22, 1980·9 cites·4 claims
- 0429US4520371AMulti-zone thermal print headIBM·Filed 1982·Granted May 28, 1985·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →