LexDanaLexDanabeta
Inventor

DANIEL R. STUMPF

Inventor
US

Overview

1→
Patents
2024
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E06Cprimary
E06CLadders100%
PatentTitleYear
12,163,379Extension ladder with groove box rails and method2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to WERNER CO (1)· patent assignee history
2024Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WERNER CO12024
Locations
LocationPatentsSpan
US12024