LexDanaLexDanabeta
Inventor

Roger Carlson

Inventor
Troy, MI, US

Overview

2→
Patents
1978–2005
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E02Dprimary
E02DFoundations33%
LOC1433%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
D0502182'Electronic key card encoder'20054,113,034'Uniaxial variable vibratory force generator'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to RAYGO INC (1)· patent assignee history
1978Based in Fridley, MN, US· patent location history
2005Patents assigned to COMPUTERIZED SECURITY SYSTEMS (1)· patent assignee history
2005Based in Troy, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COMPUTERIZED SECURITY SYSTEMS12005
RAYGO INC11978
Locations
LocationPatentsSpan
Troy, MI, US12005
Fridley, Minnesota, US11978