IP Library › Granted Patent US 1,018,817
Granted Patent S1
US 1,018,817 · App. 29/839,310 · Granted Mar 19, 2024

Filter unit

Inventor: Peter G. Spiegel (Sherman Oaks, CA)
Assignee: AirDoctor, LLC
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Quick Facts
Patent No.
US 1,018,817
App. No.
29/839,310
Granted
Mar 19, 2024
Kind
S1
Claims (1)

The ornamental design for a filter unit, as shown and described.

Assignments (2)
SECURITY INTEREST Recorded Jul 11, 2025
From: IDEAL LIVING, LLC; AQUA TRU, LLC; AIRDOCTOR, LLC; IONIC PRO, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 071683/0484 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 26, 2022
From: SPIEGEL, PETER G.
To: AIRDOCTOR, LLC
Reel/Frame 060026/0047 →
Cited By (1)
US 1,138,445