Inventor
Alvin Feder
Inventor
Lauderhill, FL, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Hprimary
H03HImpedance networks, e.g. resonant circuits38%
H01HElectric switches25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers13%
H10NElectric solid-state devices not otherwise provided for13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
4,524,497'Method of making a low-profile crystal package with an improved crystal-mounting arrangement'19854,453,104'Low-profile crystal package with an improved crystal-mounting arrangement'19844,373,119'Adjustable transducer'19834,292,562'Mounting arrangement for crystal assembly'19814,114,000'Multi-position switch with single sliding actuator cam, reciprocable cam follower and compressive conductive elastomer'19784,081,631'Dual purpose, weather resistant data terminal keyboard assembly including audio porting'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1985Patents assigned to MOTOROLA INC (6)· patent assignee history
1978–1985Based in Lauderhill, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA INC | 6 | 1978–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lauderhill, Florida, US | 6 | 1978–1985 |