Inventor
Richard O. Mullich
Inventor
Burbank, CA, US
Overview
10→
Patents
1976–1996
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E05Bprimary
E05BLocks38%
Y10TTechnical subjects covered by former us classification38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
E05CBolts or fastening devices for wings, specially for doors or windows4%
PatentTitleYear
5,570,912'Latch with adjustable backset'19964,656,849'Deadbolt assembly having selectable backset distance'19874,593,542'Deadbolt assembly having selectable backset distance'19864,564,229'Latch assembly having selectable backset distance'19864,489,576'Deadbolt assembly'19844,446,707'Deadbolt'19844,397,168'Door reinforcement and lock guard plate'19834,345,449'High security cylindrical bored lock'19824,300,374'Key retaining cylinder for a lock'19813,990,277'Lock mechanism with disengageable knob'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to TRE CORP (9)· patent assignee history
1976–1996Based in Burbank, CA, US· patent location history
1996Patents assigned to EMHART INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRE CORP | 9 | 1976–1987 |
| EMHART INC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burbank, California, US | 10 | 1976–1996 |