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Inventor

Leonard L. Silva

Inventor
Livermore, CA, US

Overview

3→
Patents
1988–2018
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus29%
C04BLime, magnesia14%
G12BConstructional details of instruments, or comparable details of other apparatus, not otherwise provided for14%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
9,862,641'Fiber reinforced cementitious composition'20184,772,109'Precision adjustable stage'19884,743,763'Article mounting and position adjustment stage'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to US ENERGY (1)· patent assignee history
1988Patents assigned to US OF AMERICA AS REPESENTED BY (1)· patent assignee history
1988Based in Livermore, CA, US· patent location history
2018Patents assigned to HARDIE JAMES TECHNOLOGY LTD (1)· patent assignee history
2018Based in Rosehill, AU· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARDIE JAMES TECHNOLOGY LTD12018
US ENERGY11988
US OF AMERICA AS REPESENTED BY11988
Locations
LocationPatentsSpan
Livermore, California, US21988
Rosehill, AU12018