Inventor · disambiguated record
Donald D. Schwellenbach
Also filed as: SCHWELLENBACH DONALD D
3 granted patents·381 citations·filing 1978–1982
78Inventor score
Top patents by PatentIndex Score
3 records- 0192US4262549AVariable mechanical vibratorSCHWELLENBACH DONALD D·Filed 1978·Granted Apr 21, 1981·302 cites·11 claims
- 0286US4238177AMolding machine with vibration isolationCRILE EUGENE E·Filed 1978·Granted Dec 9, 1980·54 cites·16 claims
- 0361US4428090APallet scraperCOGGIN MICHAEL E·Filed 1982·Granted Jan 31, 1984·25 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →