David A. Pringle — 10 Patents at Unknown

David A. Pringle has been granted 10 US patents while listed as an inventor at Unknown. The first was granted in 1987 and the most recent in January 2023. David A. Pringle ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David A. Pringle in Santa Monica, CA, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
11554193	Bioaerosol inactivator UVC antimicrobial reactor	—	2023-01-17
D652556	Dome lighting assembly	Ashot Nalbandyan	2012-01-17
7948184	Vehicle testing lamp apparatus, system, and method	David M. Heffelfinger, David McDonald, Ashot Nalbandyan	2011-05-24
6140778	Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like	David McDonald, Zhong Yan, George C. Johnson	2000-10-31
5982112	Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like	David McDonald, Zhong Yan, George C. Johnson	1999-11-09
5179399	Theatre in the round projection apparatus and method	—	1993-01-12
5150012	Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like	David McDonald, Zhong Yan	1992-09-22
4750097	Lamp reflector assembly	Helen Gourley	1988-06-07
4692607	Controlled color light source	John LaBelle, Daniel B. McKenna	1987-09-08
4686612	Lamp reflector assembly	Helen Gourley	1987-08-11

David A. Pringle — 10 Patents

Issued Patents All Time

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