Inventor · disambiguated record
Charles N. Klettenberg
Also filed as: KLETTENBERG CHARLES N
2 granted patents·2 pending applications·181 citations·filing 2003–2007
69Inventor score
Top patents by PatentIndex Score
4 records- 0193USD500864SOrnamental face for retaining wall blockMARSHALL CONCRETE PRODUCTS INC·Filed 2003·Granted Jan 11, 2005·159 cites·1 claims
- 0285US7695268B2System and method for manufacturing concrete blocksMARSHALL CONCRETE·Filed 2007·Granted Apr 13, 2010·22 cites·14 claims
- 0348US2007193181A1Dry-cast concrete blockKLETTENBERG CHARLES N·Filed 2006·Application pending·0 cites
- 0444US2004218985A1Method of making a composite masonry blockFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Charles N. Klettenberg 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 →