Inventor
Glen R. Griffith
Inventor
Westminster, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Hprimary
G10HElectrophonic musical instruments38%
G06FElectric digital data processing25%
F02PIgnition, other than compression ignition, for internal-combustion engines13%
H03MCoding13%
Y02TClimate change mitigation technologies related to transportation13%
PatentTitleYear
4,136,400'Micro-programmable data terminal'19794,085,643'Truncated decay system'19784,081,995'Apparatus and method for extrapolating the angular position of a rotating body'19784,031,377'Fast multiplier circuit employing shift circuitry responsive to two binary numbers the sum of which approximately equals the mantissa of the multiplier'19773,974,478'Key switch scanning and encoding system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (3)· patent assignee history
1976–1979Based in Westminster, CA, US· patent location history
1978–1979Patents assigned to ROCKWELL INTERNATIONAL CORP (2)· patent assignee history
1978Based in Westminister, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON MUSICAL INSTRUMENTS MFG | 3 | 1976–1978 |
| ROCKWELL INTERNATIONAL CORP | 2 | 1978–1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westminster, California, US | 4 | 1976–1979 |
| Westminister, California, US | 1 | 1978 |