Assignee

HARTFORD SPECIAL MACHINERY CO

5 granted patents·24 citations·filing 19751977

Technology mixB21H4B21G2B23Q2B65G2Y10T2B21B1

Top patents by PatentIndex Score

5 records

Join the waitlist — get patent alerts

Get an alert when HARTFORD SPECIAL MACHINERY CO files or is granted a new patent.

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

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →