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Baseball – National League$20.00 – $195.00
2 patents for adding cork to core of ball. Features NL balls. Version with AL also available.
Corvette Stingray$20.00 – $195.00
1963 Split Window. Design approved in 1962. Made for only 1 year
Firefighter Cairns Helmet$20.00 – $195.00
Firefighter Cairns Helmet
Football Helmet – Riddell$20.00 – $195.00
Football Helmet – Riddell
3 patents – face guard bar, helmets from plastic instead of leather, chin strap to replace neck strap.
Gibson Les Paul$20.00 – $195.00
Gibson Les Paul – Classic Cherry Sunburst
3 patents – fixed bridge and tail piece and Tune-o-matic bridge for intonation, Seth Lover humbucker twin coil pickup.
Rubik Cube – USA$20.00 – $195.00
Rubik Cube – USA
1981 US filing by Erno Rubik for his cube. Originally filed in Hungary in 1975 with different drawing.
Stethoscope$20.00 – $195.00
First USA patent on the stethoscope – for a concealed noiseless spring that eliminated vibrations.
Toilet Paper Roll$20.00 – $195.00
Toilet Paper Roll
2 patents on the Toilet Paper Roll for improved tearing of the sheets when there is a pull on the free end.
Zeiss Bellows Camera$20.00 – $195.00
Zeiss Bellows Camera
Patent covers use of exposure control elements to enlarge or reduce size of effective area of photoelectric cell.