Inventor

STEPHENS DAVID R

US3 patents

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

FINNIGAN CORP

2 patents

US4540884ASep 10, 1985

Method of mass analyzing a sample by use of a quadrupole ion trap

FINNIGAN CORP325 citations96

US4388531AJun 14, 1983

Ionizer having interchangeable ionization chamber

FINNIGAN CORP23 citations79

ORACLE INT CORP

1 patent

US7818683B2Oct 19, 2010

Methods and systems for representing breadcrumb paths, breadcrumb inline menus and hierarchical structure in a web environment

ORACLE INT CORP23 citations87