Individual holder
BRISTOL ALEXANDER C
US·6 granted patents·93 citations·filing 1984–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0188US5147437AInvisible flat-top mold blank and method for manufacturing sameBRISTOL ALEXANDER C·Filed 1989·Granted Sep 15, 1992·41 cites·8 claims
- 0274US4883524AInvisible flat-top mold blank and method for manufacturing sameBRISTOL ALEXANDER C·Filed 1988·Granted Nov 28, 1989·30 cites·5 claims
- 0339US5054904AAspheric lens blankBRISTOL ALEXANDER C·Filed 1989·Granted Oct 8, 1991·11 cites·4 claims
- 0438US4573777AAspheric spectacle lens blankBRISTOL ALEXANDER C·Filed 1984·Granted Mar 4, 1986·5 cites·4 claims
- 0537US4538887AAspheric spectacle lens blankBRISTOL ALEXANDER C·Filed 1984·Granted Sep 3, 1985·5 cites·2 claims
- 0627US5131738ALens blankBRISTOL ALEXANDER C·Filed 1990·Granted Jul 21, 1992·1 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when BRISTOL ALEXANDER C 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 →