William D. Lewis has been granted 16 US patents while listed as an inventor at Quantum . The first was granted in 1985 and the most recent in October 2024. William D. Lewis ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list William D. Lewis in Irvine, CA, US.
Patents per Year Patents granted per year, 1985 to 2024 Bar chart with a peak of 2 patents in 1993. peak 2 1985: 1 patents 1985 1990: 1 patents 1991: 1 patents 1991 1993: 2 patents 1994: 1 patents 1994 1995: 2 patents 1996: 1 patents 1996 1997: 1 patents 2000: 1 patents 2000 2001: 1 patents 2021: 2 patents 2021 2023: 1 patents 2024: 1 patents 2024
Issued Patents All Time
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Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12130017 Multi-purpose grill system — 2024-10-29
11802392 Coupler guard system — 2023-10-31
10995477 Coupler guard system — 2021-05-04
10926626 Hood guard Chris Lewis 2021-02-23
6315230 Tape reel assembly with washer guard for a data storage tape cartridge Carter J. Hansen 2001-11-13
$7,360,000
6050031 Apparatus and method for preventing unauthorized entry into a structure through an opening containing an air conditioner Joseph William Strasser, Jr. 2000-04-18
5666237 Method for mapping thermal asperities of a magnetic recording surface in data storage device — 1997-09-09
$61,870,000
5537034 Method for mapping thermal asperities of a magnetic recording surface in data storage device — 1996-07-16
$8,594,000
5448428 Phase locking a disk drive spindle to a reference signal William F. Even 1995-09-05
$4,140,000
5438464 Synchronization of multiple disk drive spindles William F. Even 1995-08-01
$12,557,000
5375020 Method and apparatus for writing or reading servo information Vinay Aggarwal , Bernardo Rub 1994-12-20
$17,519,000
5216655 Method and apparatus for surface reallocation for improved manufacturing process margin Patrick Hearn , Fernando A. Zayas , Antonios E. Prentakis 1993-06-01
$11,759,000
5184998 Corrugated cardboard or chipboard carton forming machine Kenneth H. Volk , Douglas A. Volk , Paul Voccia 1993-02-09
5031054 In-drive defect detector — 1991-07-09
$31,683,000
4938351 Modular electrical component packaging system — 1990-07-03
$21,510,000
4500294 Method and device for detecting dental cavities — 1985-02-19
