Assignee

NAT RESEARCH DEV INC

2 granted patents·7 citations·filing 1980–1980

Technology mixC01B1 C01P1 C10L1

Top patents by PatentIndex Score

2 records

0140US4301133AMethod for preparing a calcium carbide productNAT RESEARCH DEV INC·Filed 1980·Granted Nov 17, 1981·7 cites·10 claims
0216US4374646AProcess of making an improved combustible gel and productNAT RESEARCH DEV INC·Filed 1980·Granted Feb 22, 1983·0 cites·4 claims

Join the waitlist — get patent alerts

Get an alert when NAT RESEARCH DEV 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 →