Patent US 4952919A

Revision as of 04:28, 31 August 2021 by Maintenance script (talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Patent number	US 4952919A (click link for details and documents via Google Patents)
Title	Trackball mechanism
Inventors	Reuben E. Nippoldt
Company	Tektronix Inc
Filing date	1989-04-06
Grant date	1990-08-28

Retrieved from "https://w140.com/tekwiki/index.php?title=Patent_US_4952919A&oldid=67960"