Inventor · disambiguated record
Donald F. Johnson
Also filed as: JOHNSON DONALD · JOHNSON DONALD E · JOHNSON DONALD F · JOHNSON JR DONALD FREDERICK
5 granted patents·2 pending applications·106 citations·filing 1976–2013
81Inventor score
Files withINLAND STEEL CO3AMERICAN SOLAR ENERGY CORP1JOHNSON DONALD1JOHNSON DONALD E1JOHNSON JR DONALD FREDERICK1
Top patents by PatentIndex Score
7 records- 0185US4793535ACombined rack and carrier for surfboardJOHNSON DONALD·Filed 1987·Granted Dec 27, 1988·58 cites·16 claims
- 0270US4513033ADifferentially coated galvanized steel strip and method and apparatus for producing sameINLAND STEEL CO·Filed 1984·Granted Apr 23, 1985·28 cites·16 claims
- 0354US2006061246A1Pull-tab for use as handle on notebooks, binders, boxes, or drawersJOHNSON DONALD E·Filed 2005·Application pending·0 cites
- 0442US2014366785A1Flexible Hinge Type Baffle Panel for Bottom Ash Hopper Water Seal Trough ProtectionJOHNSON JR DONALD FREDERICK·Filed 2013·Application pending·0 cites
- 0541US4060072ASolar heater apparatusAMERICAN SOLAR ENERGY CORP·Filed 1976·Granted Nov 29, 1977·12 cites·7 claims
- 0638US4528935ADifferentially coated galvanized steel strip and method and apparatus for producing sameINLAND STEEL CO·Filed 1984·Granted Jul 16, 1985·7 cites·5 claims
- 0725US4588658ADifferentially coated galvanized steel stripINLAND STEEL CO·Filed 1984·Granted May 13, 1986·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →