Marvin E. Prahl — 2 Patents at IBM

Marvin E. Prahl has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 1985 and the most recent in July 1986. Marvin E. Prahl ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Marvin E. Prahl in Longmont, CO, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
H79	Magnetic recording disk cartridge	Michael A. Bartholet	1986-07-01
4509086	Method and apparatus for loading and registering a diskette in a diskette drive	Craig R. Hickethier, Ronald Hogan	1985-04-02	$15,855,000

Marvin E. Prahl — 2 Patents

Issued Patents All Time

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