1970 Air Filter Patent
by Dan Sproul
Title
1970 Air Filter Patent
Artist
Dan Sproul
Medium
Drawing - Digital
Description
Vintage 1970 air filter patent fully restored on aged paper.
Uploaded
October 20th, 2021
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Viewed 1,143 Times - Last Visitor from Wilmington, DE on 04/23/2024 at 2:15 AM
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