Inventor · disambiguated record

David M. Kopena

Also filed as: KOPENA DAVID M

2 granted patents·36 citations·filing 1980–1982

62Inventor score

Technology areasD01H Y10T

Files withOWENS CORNING FIBERGLASS CORP2

Top patents by PatentIndex Score

2 records

0188US4447249ABlowing wool separator method and apparatusOWENS CORNING FIBERGLASS CORP·Filed 1982·Granted May 8, 1984·27 cites·10 claims
0239US4341003AMethod and apparatus for separating rolls of web materialOWENS CORNING FIBERGLASS CORP·Filed 1980·Granted Jul 27, 1982·9 cites·16 claims

Join the waitlist — get patent alerts

Get an alert when David M. Kopena files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →