Patent assignee · US · COMPANY

Amarel Precision Instruments, Inc.

4Patents
0Active
4Granted
25Portfolio score

Filing activity: Dec 21, 1989 → Jul 30, 1999

Most-cited patents

PatentTitleAreaCited byStatus
US5253106A Oblique viewing system for microscopes Physics 19 Expired
US5500770A Macrolens system for emission microscopy Physics 11 Expired
US4978212A Opthalmometer Human Necessities 5 Expired
US6243212A Telecentric zoom lens Physics 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.