Inventor

Steven Robert Johnson

Inventor
Boulder City, NV, US

Overview

1→
Patents
2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C01Bprimary
C01BNon-metallic elements17%
C01CAmmonia17%
C02FTreatment of water, waste water, sewage, or sludge17%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases17%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to TEXACO INC (1)· patent assignee history
2000Based in Boulder City, NV, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXACO INC12000
Locations
LocationPatentsSpan
Boulder City, NV, US12000