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A & K MacFarlane Pty. Ltd. Patents
Assignee:
A & K MacFarlane Pty. Ltd.
Address:
North Sydney, AU
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4795888 Variable keystroke pressure apparatus January 3, 1989
A keybaord which is capable of varying the pressure required for the keystroke is provided and comprises an inflatable arrangement being a variable pressure bladder which fits over the keyboard between the base plate and the keys. The operator may vary the pressure delivered to the s

 
 
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