Assignee
PIERSON JR HARRY G
3 granted patents·157 citations·filing 1979–1997
Top patents by PatentIndex Score
3 records- 0192US4846104AAutomated cat toiletPIERSON JR HARRY G·Filed 1988·Granted Jul 11, 1989·99 cites·9 claims
- 0279US5911194AApparatus for mechanically separating animal waste from litterPIERSON JR HARRY G·Filed 1997·Granted Jun 15, 1999·45 cites·22 claims
- 0349US4308140ASea cleaning and oil recovery vessel termed "scor-vessel"PIERSON JR HARRY G·Filed 1979·Granted Dec 29, 1981·13 cites·8 claims
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