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Inventor

Blair E. Johns

Inventor
Phoenix, AZ, US

Overview

7→
Patents
1983–2001
Patent span
LOC
Primary field

Patents· 7 as inventor

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

LOC08primary
LOC0843%
E05CBolts or fastening devices for wings, specially for doors or windows29%
Y10TTechnical subjects covered by former us classification29%
PatentTitleYear
D0452134'Door lock'2001D0443497'Door lock'2001D0442465'Door lock'20015,865,484'Door locking device'1999D0319964'Door lock'1991D0317111'Door lock'19914,405,165'Temporary door locking device'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1991Patents assigned to JOHNS BLAIR E (2)· patent assignee history
1983Based in Tolleson, AZ, US· patent location history
1991Patents assigned to MODERN MFG (1)· patent assignee history
1991–2001Based in Phoenix, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNS BLAIR Eself21983–1991
MODERN MFG11991
Locations
LocationPatentsSpan
Phoenix, AZ, US61991–2001
Tolleson, AZ, US11983