- LandOfFree
- Inventors
- Typewriting machines
- Key-board or key lever-actuating mechanism
Details
Andrew H. Hirsfeld
Andrew H.
Hirsfeld
- Patent Class
Typewriting machines
- SubClass
Key-board or key lever-actuating mechanism
- Specialty
Examiner
- Status
active
Affiliated with
No affiliations
Also associated with
LandOfFree
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Profile ID: LFUS-PAI-P-2665980
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