LexDanaLexDanabeta
Inventor

R. Mark Clark

Inventor
Langhorne, PA, US

Overview

4→
Patents
2006–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials60%
H01PWaveguides20%
H04BTransmission20%
PatentTitleYear
10,651,558Omni antennas20207,609,226'Antenna system with base configuration for passive inter-modulation (PIM) mitigation'20097,142,171'Helix radiating elements for high power applications'20067,078,990'RF cavity resonator with low passive inter-modulation tuning element'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2020Patents assigned to LOCKHEED CORP (4)· patent assignee history
2006–2009Based in Langhorne, PA, US· patent location history
2020Based in Castle Rock, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LOCKHEED CORP42006–2020
Locations
LocationPatentsSpan
Langhorne, Pennsylvania, US32006–2009
Castle Rock, CO, US12020