Inventor · disambiguated record

Bruce N. Roth

Also filed as: ROTH BRUCE N

3 granted patents·25 citations·filing 1991–1991

67Inventor score

Technology areasE21C

Files withCOAL INDUSTRY PATENTS LTD3

Top patents by PatentIndex Score

3 records

0140US5116103AMethod of steering a mining machineCOAL INDUSTRY PATENTS LTD·Filed 1991·Granted May 26, 1992·14 cites·12 claims
0233US5106162AMethod of steering a mining machineCOAL INDUSTRY PATENTS LTD·Filed 1991·Granted Apr 21, 1992·9 cites·21 claims
0325US5158341AMethod of steering a mining machineCOAL INDUSTRY PATENTS LTD·Filed 1991·Granted Oct 27, 1992·2 cites·10 claims

Join the waitlist — get patent alerts

Get an alert when Bruce N. Roth 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 →