Inventor · disambiguated record
Joseph A. Welzen
Also filed as: WELZEN JOSEPH · WELZEN JOSEPH A
4 granted patents·45 citations·filing 1977–2003
76Inventor score
Top patents by PatentIndex Score
4 records- 0165US4471013ACore strip for honeycomb core panelsTRE CORP·Filed 1983·Granted Sep 11, 1984·18 cites·9 claims
- 0252US7131621B2Angularly adjustable tree standWELZEN JOSEPH·Filed 2003·Granted Nov 7, 2006·6 cites·9 claims
- 0342US6010108AAngularly adjustable tree stand having spherical base surfacesFiled 1997·Granted Jan 4, 2000·16 cites·14 claims
- 0433US4176973AStenotype tape marking attachmentGREGORY STEPHEN A·Filed 1977·Granted Dec 4, 1979·5 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →