Inventor

SHAFFER RICHARD D

2 patents

⚠️ This page may combine multiple inventors who share the name “SHAFFER RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INTERX RESEARCH CORP

1 patent

US4147768AApr 3, 1979

Enteric coated digoxin and therapeutic use thereof

INTERX RESEARCH CORP45 citations87

SHAFFER ALFRED H

1 patent

US7040027B1May 9, 2006

Rear peep sight for mounting to a bow string, having interchangeable sight ports for accommodating user preferences

SHAFFER ALFRED H52 citations81