Individual holder
PEIFER RALPH D
3 granted patents·15 citations·filing 1986–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0134US5333403AMuzzle loading riflesPEIFER RALPH D·Filed 1993·Granted Aug 2, 1994·8 cites·5 claims
- 0228US5313732AMuzzle loading riflesPEIFER RALPH D·Filed 1992·Granted May 24, 1994·4 cites·15 claims
- 0326US4712311AGrain drying apparatus for storage binPEIFER RALPH D·Filed 1986·Granted Dec 15, 1987·3 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →