Inventor · disambiguated record
Donald J. Steger
Also filed as: STEGER DONALD J
4 granted patents·57 citations·filing 1979–1985
77Inventor score
Files withIBM4
Top patents by PatentIndex Score
4 records- 0175US4650351AThermal printerIBM·Filed 1985·Granted Mar 17, 1987·28 cites·36 claims
- 0264US4239107ACartridge assembly apparatus for typewritersIBM·Filed 1979·Granted Dec 16, 1980·15 cites·17 claims
- 0349US4272201ARibbon shaper for typewriter cartridgeIBM·Filed 1980·Granted Jun 9, 1981·8 cites·14 claims
- 0431US4367052AFlat rate spring particularly adapted for typewriter cartridgesIBM·Filed 1980·Granted Jan 4, 1983·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →