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Inventor

JAMES E PINGREE

Inventor
US

Overview

2→
Patents
2025–2026
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

A63Jprimary
A63JDevices for theatres, circuses, or the like29%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects29%
E04HBuildings or like structures for particular purposes29%
E04BGeneral building constructions14%
PatentTitleYear
12,565,784Mobile stage deployment system and method202612,345,065Mobile stage system and method of use2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to ASTRA STAGES LLC (1)· patent assignee history
2025–2026Based in US· patent location history
2026Patents assigned to PROGRESSIVE PRODUCTS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTRA STAGES LLC12025
PROGRESSIVE PRODUCTS INC12026
Locations
LocationPatentsSpan
US22025–2026