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Inventor

Christopher B. Leach

Inventor
Lowell, MI, US

Overview

5→
Patents
1990–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B28Bprimary
B28BShaping clay or other ceramic compositions22%
E04CStructural elements22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
G06FElectric digital data processing11%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04WWireless communication networks11%
PatentTitleYear
10,785,230Monitoring security of a client device to provide continuous conditional server access20205,187,882'System for curing concrete articles'19935,181,363'Spacer for concrete reinforcing fabric'19935,089,198'Method for curing concrete articles'19924,920,724'Spacer for concrete reinforcing fabric'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to KAINES JOHN L (1)· patent assignee history
1990Patents assigned to LEACH CHRISTOPHER B (1)· patent assignee history
1990–1993Based in Lowell, MI, US· patent location history
1992–1993Patents assigned to CAM SALES INC (3)· patent assignee history
2020Patents assigned to LOOKOUT INC (1)· patent assignee history
2020Based in Pacifica, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAM SALES INC31992–1993
KAINES JOHN L11990
LEACH CHRISTOPHER Bself11990
LOOKOUT INC12020
Locations
LocationPatentsSpan
Lowell, MI, US41990–1993
Pacifica, California, US12020