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Inventor

Randall W. Rich

Inventor
Lake Villa, IL, US

Overview

7→
Patents
1992–2000
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Bprimary
H04BTransmission36%
H03GControl of amplification21%
H04WWireless communication networks14%
C07CAcyclic or carbocyclic compounds7%
H01PWaveguides7%
H03JTuning resonant circuits7%
H04LTransmission of digital information, e.g. telegraphic communication7%
PatentTitleYear
6,018,651'Radio subscriber unit having a switched antenna diversity apparatus and method therefor'20005,940,452'Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor'19995,862,460'Power control circuit for a radio frequency transmitter'19995,758,271'Apparatus and method for optimizing the quality of a received signal in a radio receiver'19985,230,093'Transmitter filter with integral directional coupler for cellular telephones'19935,187,809'Dual mode automatic gain control'19935,163,159'Dual mode automatic frequency control'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2000Patents assigned to MOTOROLA INC (6)· patent assignee history
1992–1993Based in Palatine, IL, US· patent location history
1993Patents assigned to OSMANI RASHID M (1)· patent assignee history
1993Patents assigned to RICH RANDALL W (1)· patent assignee history
1993Patents assigned to SCHWENT DALE G (1)· patent assignee history
1998–2000Based in Lake Villa, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC61992–2000
OSMANI RASHID M11993
RICH RANDALL Wself11993
SCHWENT DALE G11993
Locations
LocationPatentsSpan
Lake Villa, Illinois, US41998–2000
Palatine, Illinois, US31992–1993