Inventor · disambiguated record
Charles D. Donaldson
Also filed as: DONALDSON CHARLES · DONALDSON CHARLES D
7 granted patents·70 citations·filing 1976–2013
84Inventor score
Top patents by PatentIndex Score
7 records- 0182USD247952SBlank for a box cover or similar articleMEAD CORP·Filed 1976·Granted May 23, 1978·18 cites·1 claims
- 0274USD337511SFlange plate for a spoolDYMENT LTD·Filed 1991·Granted Jul 20, 1993·18 cites·1 claims
- 0373US5203516AHeavy duty spoolDYMENT LTD·Filed 1991·Granted Apr 20, 1993·24 cites·15 claims
- 0461US9016691B1Liquid splat game kit and method of playDONALDSON CHARLES·Filed 2013·Granted Apr 28, 2015·1 cites·19 claims
- 0545USD341769SSpoolDYMENT LTD·Filed 1992·Granted Nov 30, 1993·5 cites·1 claims
- 0635USD439061SRacing high chairFiled 2000·Granted Mar 20, 2001·3 cites·1 claims
- 0727USD436258SRacing high chairDONALDSON CHARLES·Filed 2000·Granted Jan 16, 2001·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →