Chace Ruttenberg & Freedman LLP
1 registered patent practitioners: 0 patent attorneys and 1 patent agents, Rumford, RI.
- Richard D. Zimmerman — Patent agent, Reg. No. 39084, Chace Ruttenberg & Freedman LLP
1 registered patent practitioners: 0 patent attorneys and 1 patent agents, Rumford, RI.