Inventor · disambiguated record

David L. Heldt

Also filed as: HELDT DAVID L

2 granted patents·10 citations·filing 1983–1986

55Inventor score

Technology areasF16D

Files withDYNEER CORP2

Top patents by PatentIndex Score

2 records

0134US4903810AClutch shoe construction and method of making sameDYNEER CORP·Filed 1983·Granted Feb 27, 1990·6 cites·12 claims
0227US4736503AClutch shoe construction and method of making sameDYNEER CORP·Filed 1986·Granted Apr 12, 1988·4 cites·5 claims

Join the waitlist — get patent alerts

Get an alert when David L. Heldt 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 →