Assignee
SIGMAFORM CORP
6 granted patents·207 citations·filing 1975–1987
Top patents by PatentIndex Score
6 records- 0185US4153747AWrap around heat shrinkable closureSIGMAFORM CORP·Filed 1978·Granted May 8, 1979·50 cites·4 claims
- 0280US3959052AWrap around heat shrinkable articleSIGMAFORM CORP·Filed 1975·Granted May 25, 1976·48 cites·2 claims
- 0374US4647716AArticle having heat expandable sealing memberSIGMAFORM CORP·Filed 1984·Granted Mar 3, 1987·34 cites·15 claims
- 0474US4410009ARecoverable sleeve assemblySIGMAFORM CORP·Filed 1982·Granted Oct 18, 1983·32 cites·8 claims
- 0572US4804338ABackshell assembly and methodSIGMAFORM CORP·Filed 1987·Granted Feb 14, 1989·36 cites·16 claims
- 0636US4738883AWrap around heat shrinkable closure with flexible extensionSIGMAFORM CORP·Filed 1986·Granted Apr 19, 1988·7 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when SIGMAFORM CORP 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 →