Individual holder
SHIVVERS CHARLES C
3 granted patents·75 citations·filing 1975–1976
Individually held — no corporate assignee on record.
Technology mixB65G2
Top patents by PatentIndex Score
3 records- 0187US4063654ASweep auger apparatusSHIVVERS CHARLES C·Filed 1975·Granted Dec 20, 1977·38 cites·5 claims
- 0285USD246388SPerforated plank for the floor of a material drying binSHIVVERS CHARLES C·Filed 1976·Granted Nov 15, 1977·20 cites·1 claims
- 0365US4026426ADrying apparatus for grain, beans and the likeSHIVVERS CHARLES C·Filed 1975·Granted May 31, 1977·17 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →