Anatomy of a U.S. Patent Document - made by Librarian Michael White, a bit outdated but useful nonetheless.
U.S. Patent Number codes For example A1, B2, E, etc. Created by librarian Michael White.
Author(s)/Inventor(s). “Name/Title.” Country where patent is registered. Patent number, date.
E.E. Rebecca. “Alternating current fed power supply.” U.S. Patent 7,897,777, Nov. 3, 1987.
Patents and Patentability Tutorial - University of Minnesota Libraries (2015)
From Concept to Protection - Video (18 minutes)
Inventors Eye - Magazine - The USPTO's bimonthly publication for the independent inventor community
Inventors Assistance Center (IAC) - provides patent information and services to the public.
Patents Ombudsman Program - enhances the USPTO's ability to assist applicants or their representatives with issues that arise during patent application prosecution.
National Archives Coloring Book of Patents (17 page PDF)
Patents of Interest (in my opinion):
Party Goggles US2011/0138521 A1
Flamingo Planter Feeder US D487,714
Method and means for creating anti-gravity illusion (Michael J. Jackson shoes) US 5,255,452
Improved process for the artificial production of ice US 8080
Sewing Machine US 8294
Device for indicating life in buried persons US 371,626
Propelling Device US 1331952
Manner of Buoying Vessles (Inventor President Abraham Lincoln) US 6469
More to explore - Colitz - Registered Patent Attorney - Wacky Patent Collection
Although plant patents can be searched on the USPTO website, color photographs of the plants are only available in print at a PTRC.