Inventor · disambiguated record
Richard K. Hallmark
Also filed as: HALLMARK RICHARD K
4 granted patents·88 citations·filing 1984–1988
79Inventor score
Technology areasC08G
Top patents by PatentIndex Score
4 records- 0185US4758607ADistilled products of polyethylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefromSLOSS IND CORP·Filed 1985·Granted Jul 19, 1988·36 cites·22 claims
- 0277US4873268ADigestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefromSLOSS IND CORP·Filed 1986·Granted Oct 10, 1989·24 cites·22 claims
- 0373US4539341ADigestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefromWALTER JIM RESOURCES INC·Filed 1984·Granted Sep 3, 1985·22 cites·52 claims
- 0445US4853419ADistilled products of polyethylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefromSLOSS IND CORP·Filed 1988·Granted Aug 1, 1989·6 cites·30 claims
Join the waitlist — get patent alerts
Get an alert when Richard K. Hallmark 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 →