John P. Crawford — 4 Patents at Unknown

John P. Crawford — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%

ASAktiebolaget Skf: 1 patents #798 of 1,598Top 50%

Crystal Lake, IL: #224 of 734 inventorsTop 35%

Illinois: #21,640 of 84,256 inventorsTop 30%

Overall (All Time): #1,080,739 of 4,157,543Top 30%

John P. Crawford has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1983 and the most recent in January 2017. John P. Crawford ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John P. Crawford in Crystal Lake, IL, US.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
9556959	Wear-protective sleeve	Juergen Kurth	2017-01-31
5531539	Tightly fitting panel connection assembly	—	1996-07-02
5483779	Header frame for a display system	Edward Boer	1996-01-16
4373831	Key device for locking an element to a shaft	—	1983-02-15

John P. Crawford — 4 Patents

Patents per Year

Issued Patents All Time

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