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John A. Royle — 2 Patents

Paramount, CA: #25 of 77 inventorsTop 35%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John A. Royle has been granted 2 US patents. The first was granted in 1991 and the most recent in June 1992. John A. Royle ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John A. Royle in Paramount, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D326958 Rocking chair Lawrence M. Stinchfield 1992-06-16
4997234 Rocker-recliner chair Lawrence M. Stinchfield 1991-03-05

Frequent Collaborators

Lawrence M. Stinchfield2 shared

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