Inventor · disambiguated record

Richard J. Birch

Also filed as: BIRCH RICHARD J

2 granted patents·25 citations·filing 1990–1999

60Inventor score

Technology areasB42D F25B

Files withSARCIA DOMENICO S1

Top patents by PatentIndex Score

2 records

0141US6328338B1Page marking system and methodFiled 1999·Granted Dec 11, 2001·16 cites·6 claims
0232US5048297AMethod and apparatus for controlling the movement of a free, gas-driven displacer in a cooling engineSARCIA DOMENICO S·Filed 1990·Granted Sep 17, 1991·9 cites·23 claims

Join the waitlist — get patent alerts

Get an alert when Richard J. Birch 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 →

Richard J. Birch — Patent Inventor | PatentIndex