David Park — 5 Patents at Automatic Switch

David Park has been granted 5 US patents while listed as an inventor at Automatic Switch. The first was granted in 1992 and the most recent in August 2021. David Park ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Park in Long Beach, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
11105434	Flow rib in valves	Brian Gillespie, Gregory J. Volz	2021-08-31
9822885	Flow rib in valves	Brian Gillespie, Gregory J. Volz	2017-11-21
9409079	Dry-land alpine skis	—	2016-08-09
5330378	Float for ropes	—	1994-07-19
D329486	Float for ropes and the like	—	1992-09-15

David Park — 5 Patents

Issued Patents All Time

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