For the Inventor, By the Inventor

Enter assignee name

North York, Canada

Apollo Evironmental Systems Corp.

USPTO Granted Patents = 1

Forward Citations = 3

Loading Chart...

Loading Chart...

4 inventors (with patents filed for the assignee):

James W Smith (1 out of 23 patents)

David T R Ellenor (1 out of 2 patents)

Peter S Walton (1 out of 3 patents)

4. Silvano Meffe (1 out of 3 patents)

1 patent: Sort by Forward Citations

1. 6551570 - Hydrogen sulfide removal process (2003-04-22),

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#43 in North York

#9,181 in Canada

North York, Canada

Apollo Evironmental Systems Corp.

Forward Citations = 3

4 inventors:

James W Smith (1 out of 23 patents)

David T R Ellenor (1 out of 2 patents)

Peter S Walton (1 out of 3 patents)

4. Silvano Meffe (1 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…