Inventor
Frederick G. Geil
Inventor
Annapolis, MD, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B06Bprimary
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general25%
G01SRadio direction-finding25%
G01GWeighing13%
G10KSound-producing devices13%
H03MCoding13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1990Patents assigned to WESTINGHOUSE ELECTRIC CORP (3)· patent assignee history
1988–2003Based in Annapolis, MD, US· patent location history
1996–2003Patents assigned to NORTHROP GRUMMAN CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORTHROP GRUMMAN CORP | 3 | 1996–2003 |
| WESTINGHOUSE ELECTRIC CORP | 3 | 1988–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Annapolis, Maryland, US | 6 | 1988–2003 |