Inventor
Joseph L. Ryan
Inventor
Tuscon, AZ, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information80%
G06FElectric digital data processing20%
PatentTitleYear
4,462,028'Access control logic for video terminal display memory'19844,418,343'CRT Refresh memory system'19834,414,645'Hardware-firmware CRT display link system'19834,398,190'Character generator display system'19834,394,650'Graphic and data character video display system'19834,384,285'Data character video display system with visual attributes'19834,263,648'Split system bus cycle for direct memory access of peripherals in a cathode ray tube display system'19814,225,942'Daisy chaining of device interrupts in a cathode ray tube device'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1984Patents assigned to HONEYWELL INF SYSTEMS (8)· patent assignee history
1980–1983Based in Nashua, NH, US· patent location history
1983–1984Based in Tuscon, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INF SYSTEMS | 8 | 1980–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tuscon, AZ, US | 5 | 1983–1984 |
| Nashua, NH, US | 3 | 1980–1983 |