Assignee
FRONING EDILBERT A K
DE·2 granted patents·74 citations·filing 1989–1989
Top patents by PatentIndex Score
2 records- 0188US4983197AMethod for producing waveguides in a glass substrate by ion exchangeFRONING EDILBERT A K·Filed 1989·Granted Jan 8, 1991·65 cites·4 claims
- 0239US4956066ADevice for carrying out field supported ion exchange in plane-parallel platesFRONING EDILBERT A K·Filed 1989·Granted Sep 11, 1990·9 cites·2 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →