Typewriting machines
Key-board or key lever-actuating mechanism
Including mechanism for activating keys
Inventor
active
No associations
LandOfFree
Fedor Hahnefeld does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Fedor Hahnefeld, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fedor Hahnefeld will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-476539