{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Inventors", "item": "https://www.patentleaderboard.com/inventors"}, {"@type": "ListItem", "position": 3, "name": "John D. Chambers", "item": "https://www.patentleaderboard.com/inventor/fl:jo_ln:chambers-3"}]}

Home › Inventors › John D. Chambers

JC

John D. Chambers — 3 Patents

Honeywell: 1 patents #12,020 of 16,504Top 75%

Azle, TX: #23 of 100 inventorsTop 25%

Texas: #41,402 of 125,132 inventorsTop 35%

Overall (All Time): #1,328,092 of 4,157,543Top 35%

3 Patents All Time

John D. Chambers has been granted 3 US patents. The first was granted in 1990 and the most recent in March 1998. John D. Chambers ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John D. Chambers in Azle, TX, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5734374	Trackball contamination barriers	—	1998-03-31
5020008	Method of calibrating vehicle speed signals	Duncan E. Estep, Walter E. Frankiewicz, Ronald W. Friend, James M. Lawson	1991-05-28	$5,208,000
4953783	Mailbox signal device	—	1990-09-04

John D. Chambers — 3 Patents

Patents per Year

Issued Patents All Time

Patent Widget