IP Library › Granted Patent US 4,690,621
Granted Patent Utility
US 4,690,621 · App. 06/852,221

Filter pump head assembly

Inventor: Danny C. Swain
Patented Case View Patent ↗
Granted: Sep 1, 1987 Filed: Apr 15, 1986
Inventor
Danny C. Swain
Assignee (at issue)
Advanced Control Engineering, Inc.

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Quick Facts
Patent No.
US 4,690,621
App. No.
06/852,221
Filed
1986-04-15
Granted
1987-09-01
Kind
A