Assignee
PRAM INC
2 granted patents·31 citations·filing 1974–1976
Top patents by PatentIndex Score
2 records- 0180US4021587AMagnetic and electrostatic transfer of particulate developerPRAM INC·Filed 1976·Granted May 3, 1977·23 cites·4 claims
- 0255US3939800AApparatus and process for depositing electrostatically and magnetically responsive particulate matter on a conductive surfacePRAM INC·Filed 1974·Granted Feb 24, 1976·8 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when PRAM INC 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 →