Inventor

Oleg Gratchev

Inventor
San Jose, CA, US

Overview

5→
Patents
2002–2011
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.

B29Cprimary
B29CShaping or joining of plastics21%
B41JTypewriters21%
Y10TTechnical subjects covered by former us classification21%
B23PMetal-working not otherwise provided for14%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding7%
H05KPrinted circuits7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2005Patents assigned to TOOLTEK ENGINEERING CORP (2)· patent assignee history
2002–2011Based in San Jose, CA, US· patent location history
2007Patents assigned to LITREX CORP (1)· patent assignee history
2011Patents assigned to ULVAC INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOOLTEK ENGINEERING CORP22002–2005
ULVAC INC22011
LITREX CORP12007
Locations
LocationPatentsSpan
San Jose, California, US52002–2011