Assignee
DOLL RESEARCH
4 granted patents·58 citations·filing 1974–1977
Top patents by PatentIndex Score
4 records- 0141US4205688AMethod and apparatus for developing and measuring pulsed blood flowDOLL RESEARCH·Filed 1977·Granted Jun 3, 1980·25 cites·14 claims
- 0232US4036215AApparatus and method for eliminating perturbations of a kinetic origin in the blood flow waveformDOLL RESEARCH·Filed 1975·Granted Jul 19, 1977·13 cites·15 claims
- 0326US4134396AMethod and apparatus for developing intermittent venous blood flow and measuring total blood flowDOLL RESEARCH·Filed 1977·Granted Jan 16, 1979·8 cites·13 claims
- 0424US3994285ARevolving symmetrical magnet assembly and improved method of blood flow detectionDOLL RESEARCH·Filed 1974·Granted Nov 30, 1976·12 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when DOLL RESEARCH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →