Inventor

David M. Lettkeman

Inventor
Parker, CO, US

Overview

23→
Patents
2011–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 23 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials24%
H01RElectrically-conductive connections20%
Y10TTechnical subjects covered by former us classification15%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere13%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines11%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%
G01CMeasuring distances, levels or bearings4%
A47BTables2%
F16LPipes2%
G01RMeasuring electric variables2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2021Patents assigned to DISH NETWORK LLC (23)· patent assignee history
2011–2013Patents assigned to LETTKEMAN DAVID (3)· patent assignee history
2011–2014Patents assigned to SCHMIDT JASON S (2)· patent assignee history
2011–2021Based in Parker, CO, US· patent location history
2014Patents assigned to LETTKEMAN DAVID M (4)· patent assignee history
2015Patents assigned to LETTKEMAN DAVID MICHAEL (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DISH NETWORK LLC232011–2021
LETTKEMAN DAVID Mself42014
LETTKEMAN DAVIDself32011–2013
LETTKEMAN DAVID MICHAELself22015
SCHMIDT JASON S22011–2014
Locations
LocationPatentsSpan
Parker, CO, US232011–2021